Mathematics by Age Restriction

Age Restriction

This page contains a set of links to mathematical exercises. They are ordered by age restriction. For each age, there are corresponding exercises grouped into separate categories. Expand the lists and see the proposed options for mathematical examples.

Recommended for children from five years old

Integer Examples

Beginner 1.1 ip

4+6=10

Beginner 2.1 ip

10-4=6

Beginner 3.1 ip

10-6=4

Step-by-step Tasks

3+1=4

2+3=5

1+2=3

0+3=3

1+4=5

4-2=2

4-1=3

5-2=3

1-1=0

4-2=2

3-3=0

Recommended for children from six years

Integer Examples

1+11=12

14-8=6

3+15=18

2+6+1=9

Step-by-step Tasks

2+7=9

7+3=10

3+6=9

4+7=11

3-3=0

9+5=14

5+3=8

2+6=8

3+7=10

2+7=9

9+1=10

4+6=10

8+9=17

6+9=15

6-0=6

2+10=12

7+10=17

7-4=3

8-5=3

10-1=9

11-1=10

14-4=10

7-6=1

15-7=8

1-1=0

10-8=2

20-8=12

10-9=1

15-0=15

19-10=9

Recommended for children from seven years

Integer Examples

2-1=1

1+94=95

75-21=54

65-20=45

2+0+9=11

4+(5-5)=4

Step-by-step Tasks

9+2=11

0+0=0

10-10=0

22+2=24

13+23=36

14+4=18

0+20=20

12+17=29

15+11=26

19+6=25

7+12=19

17-6=11

10-1=9

17-2=15

4-3=1

11-4=7

19-5=14

7-6=1

27-7=20

20-20=0

1×2=2

9×2=18

10×2=20

10÷1=10

Comparisons

Natural 1.1 ip

6 > 5

Natural 2.1 ip

7+0 > 1+4

Language Exercises

Russian Vocabulary 1.1

п ляна

Recommended for children from eight years

Integer Examples

2+16=18

238+42=280

775-5=770

90+444=534

80+19+1=100

11-(10-10)=11

2×37=74

91÷13=7

8×7=56

52+44=96

98-41=57

37+11=48

Step-by-step Tasks

11+9=20

29+6=35

22+8=30

19+12=31

30+60=90

39+11=50

7+2+1=10

27-8=19

30-20=10

16-9=7

11-7=4

40-20=20

50-10=40

3×9=27

2×0=0

4×2=8

2×0=0

10×5=50

7×2=14

5×10=50

2×6=12

9×6=54

7×8=56

1×6=6

6×10=60

1×8=8

8×10=80

10×9=90

0×9=0

10×5=50

3×10=30

12÷2=6

12÷2=6

3÷3=1

8÷2=4

12÷4=3

8÷1=8

5÷5=1

27÷3=9

10÷2=5

12÷6=2

30÷5=6

28÷7=4

24÷6=4

20÷4=5

72÷8=9

24÷8=3

54÷9=6

35÷5=7

30÷3=10

100÷10=10

Comparisons

2÷2 < 4×1

40 < 76

35+25 < 17+75

9×1 > 2×3

Equations

Linear 1.1 ip

x+4=9

Linear 2.1 ip

2÷x=2

Language Exercises

Russian Vocabulary 1.2

авт р

Russian Vocabulary 2.1

лфавит

Russian Vocabulary 3.1

учит льница

English Vocabulary 1.1

English Vocabulary 2.1

lmost

Lexicon 1.1

h use [home]

Lexicon 2.1

rm [hand]

Recommended for children from nine years

Integer Examples

93-20=73

400-284+884=1000

48+(90-83)=55

(10÷5)×3=6

27×11=297

511÷7=73

939÷3=313

20÷5×8=32

3×(4×2)=24

7×(2×3)×2=84

29÷9=3(2)

1177+7228=8405

4393-1358=3035

2313+7687=10000

27×4=108

44÷2=22

12÷6-2=0

26+14÷7+10=38

64÷4=16

27÷3=9

Step-by-step Tasks

2×17=34

2×11=22

14×3=42

15×3=45

17×4=68

12×5=60

4×3=12

49×2=98

20×1=20

6×15=90

13×7=91

7×15=105

17×8=136

18×3=54

20×9=180

12×9=108

7×15=105

20×2=40

6×12=72

8÷2=4

0÷11=0

18÷3=6

26÷2=13

56÷4=14

85÷5=17

24÷6=4

36÷2=18

100÷50=2

42÷6=7

112÷7=16

56÷7=8

104÷8=13

125÷5=25

90÷9=10

60÷6=10

480÷10=48

17÷1=17

77÷11=7

Comparisons

80÷10 < 90÷10

394 > 378

808-460 > 20+20

36÷2 < 12×2

Equations

Linear 1.2 ip

78-x=16

Linear 2.2 ip

42÷x=7

Linear 3.1 ip

8÷x-5=3

Language Exercises

Russian Vocabulary 1.3

авт мобиль

Russian Vocabulary 2.2

наде ться

Russian Vocabulary 3.2

х зяйство

English Vocabulary 3.1

t day

10+

Recommended for children from ten years

Integer Examples

975-21-84=870

108027+666122=774149

691254-681381=9873

1000000-0=1000000

878-(850-512)=540

192÷(24÷2)=16

10×23=230

240÷12=20

3600÷50=72

500÷25×24=480

(616÷7)÷8=11

450÷5×(16÷4)=360

37÷16=2(5)

211817+782205=994022

465293-325906=139387

840216-352007=488209

9009×4=36036

2373×47=111531

993÷3=331

9×6-44=10

599-27÷3=590

734-44÷22×289=156

17-39÷(10+29)=16

420÷2=210

182÷17=10(12)

Comparisons

Natural 0.3 ip

40×4 < 936÷3

Natural 1.4 ip

151770 < 829427

Natural 2.4 ip

355445+308968 > 568909+95482

Natural 3.3 ip

15×4 > 8×5

Equations

3-1×x=1

419+x=518

x×50=450

x÷47+57=59

(6-x)×4=8

Rounding

Round 1.1 ip

405≈41

Round 1.2 ip

3830≈38

Round 2.1 ip

762+223≈99

Language Exercises

Russian Vocabulary 2.3

микр фон

English Vocabulary 1.2

range

English Vocabulary 2.2

ins de

Lexicon 1.2

re r [background]

Lexicon 2.2

e ch [both]

Infinitive 1.1

forget forgot [forget]

11+

Recommended for children from the age of eleven

Integer Examples

Beginner 0.5 ip

957514-57514=900000

Beginner 4.5 ip

956297-3081-25816=927400

Beginner 5.5 ip

517108+(102556+80200)=699864

Conversant 1.1 in

-2-6=-8

Conversant 1.5 in

-176346+366346=190000

0-2+3=1

(72÷18)×14=56

16×125÷20=100

(8×750)÷3=2000

3520÷(2×2)÷40=22

370÷6=61(4)

11125×800=8900000

7033÷13=541

180×3+161=701

1984+(75+277)÷22=2000

Numeracy 1.3 ip

290×16-3379=1261

Numeracy 2.3 ip

584×95-1280÷128=55470

493-(710-658)×3=337

297+(747-702)÷15=300

8449÷71=119

236÷22=10(16)

Decimal Examples

9.9-(2.1+5.3)=2.5

21-(94.5-74.7)=1.2

5+3=8

72.4-24.6=47.8

1.5+2.1+0.6=4.2

83.7-19.8-36.9=27

5.7+(4-4)=5.7

96.8-(76.5+0.9)=19.4

1.1÷0.2=5.5

3.5×2.2=7.7

96÷1.5=64

15.6÷0.8=19.5

Divisional_ENG 1.1 dp

1.8÷0.5=3.6

Fraction Examples

Numerator 1.1 fp

1/10+2/5=1/2

Comparisons

20×3 < 8×44

114×7 > 3×4

-6÷(-3) > -8÷4

-2 < -1

7-10 < -2-0

-2×4 < 6÷2

20.7 < 34.8

0.6+4.5 < 68.4-63.1

1/4 < 4/5

90/47 < 4/1

1/2+1/4 < 9/10-1/10

Equations

4×x+47=47

480+x÷62=495

971-58×x=159

15×(x-44)=30

(x-12)×189=378

10+x=10

x÷(-10)=1

Rounding

84.8≈85

96.1-70.5≈26

671÷11≈6

4126≈41

1117×107≈120

47794≈48

7376-3006≈44

583433-140905≈443

5×43≈22

1117×5≈56

933100÷100≈9

Language Exercises

Russian Vocabulary 1.4

иллюм нация

Russian Vocabulary 3.3

н верное

English Vocabulary 1.3

cr am

English Vocabulary 2.3

ab ence

English Vocabulary 3.2

ro gh

Lexicon 1.3

pr per [correct]

Infinitive 2.1

mislay [mislay]

12+

Recommended for children from the age of twelve

Integer Examples

4+7-10=1

7+10-17=0

-77+23+20=-34

-1+11=10

20-42=-22

-9-7+0=-16

-10-60+39=-31

-2-(1+4)=-7

-5-(1+14)=-20

7-(-30+12)=25

-(0+5)-(7-4)=-8

(12+6)-(19-20)=19

-(100-100)-(49-19)=-30

742×677=502334

247×239=59033

748000÷1000=748

716082÷138=5189

250×2÷10=50

(450÷75)×382=2292

240×(6÷3)×950=456000

3830×1100=4213000

37200÷10=3720

72+36×2÷4=90

11×6+4=70

28-69÷23-95=-70

26+(74-82)×2=10

3×(-7)=-21

4×6=24

48÷4÷(-3)=-4

(-40÷2)÷2=-10

64÷(-2×4)÷4=-2

57000÷95=600

Decimal Examples

Partitive 0.3 dp

40-28.35+35.35=47

Partitive 1.3 dp

96.8-20=76.8

Partitive 2.3 dp

49.24+21.71-63.09=7.86

Partitive 3.3 dp

49.16+(42.87+1.97)=94

1.8+5.1=6.9

-1.9+7=5.1

-4.4+5.1=0.7

-3-19.1=-22.1

5.3+5.3-1.6=9

-54.8-5.1+18=-41.9

-3.7-(6.9-8.6)=-2

-5-(8.1+52.6)=-65.7

52÷4=13

2.86÷0.13=22

5×2.3=11.5

26×0.37=9.62

1.44÷7.2=0.2

1.2÷0.5=2.4

1.7×4÷0.8=8.5

(10.3÷20.6)×13.6=6.8

63.8-1.6×2.5÷5=63

14.3-10÷0.8=1.8

51-0.5×5-40.5=8

28.2+(59.5-53.9)×7=67.4

Negatory 1.1 dn

2×5.6-10.5=0.7

Negatory 2.1 dn

64.6-7.6÷9.5×19=49.4

Residual_ENG 1.1 dp

37÷2=18.5

Divisional_ENG 1.2 dp

27.36÷0.36=76

Fraction Examples

Numerator 0.1 fp

9/10-(1/10+1/10)=7/10

Numerator 0.2 fp

183/19-(2/3+25/3)=12/19

7/6+23/78=19/13

7/8-3/8-1/2=0/1

1/5+39/5-52/7=4/7

1/10+(1/10+2/5)=3/5

7/2-(2/5+13/5)=1/2

5/8+1/4=7/8

-1/2-1/5=-7/10

-1/2-1/2+2/5=-3/5

1/6-(-1/2-1/6)=5/6

21/4÷3/2=7/2

139/8÷973/44=11/14

28/3×2/7×3/10=4/5

136/24=17/3

1216/57=64/3

35/4÷7/8-14/3=16/3

Comparisons

60÷10 < -10×(-2)

-842÷(-2) > -840÷24

85 > -81

-892 < -756

18+43 > -28+57

-239-388 < -248+30

2×8 = -48÷(-3)

-25×4 < 990÷9

38.4 > 1.7

7.25 = 7.25

81.89 > 51.14

75.249 > 0.089

789.892 > 131.845

43.7+20.3 > 8.43+54.76

Point 2.3 dp

10.277+8.723 < 45-7.757

34.5×2 > 97.2÷8.1

11×0.6 < 25.6×3.5

-93.7 < 35.1

63.74 > -72.77

-89.7 < 35

82.65 > -97.27

63.7-7.3 > -33.7+89.9

Doted 2.2 dn

-9.58-32.98 < -60+48.42

Doted 3.1 dn

-4×(-0.8) > 90.6÷(-3)

Doted 3.2 dn

-5.36×(-2.75) < 73.5÷1.05

1/5÷1/2 > 1/3×3/5

3/5+27/5 > 1/4+1/4

190/261 < 256/297

10/3-47/42 > 309/38-241/38

Improper 2.3 fp

19459/898+22415/898 < 173/2-44/5

2/5÷1/2 > 1/3÷5/6

1/2÷61/34 < 1/2×3/5

5/7 > 2/3

-64/7 < 26/7

-1/2-1/2 < 1/2+1/2

Equations

7÷x+1=-6

3-80÷x=7

-97-x=-1

894-x=139

-x÷(-5)=-5

28×(-x)=-868

4-2×x=4

x×2+46=-48

-(x-5)×2=-10

-5×(-61-x)=0

Rounding

75.8-1.3≈75

65.17≈65.2

58.34≈58.3

59.997≈60

89.29-14.12≈75.2

0.671+68.427≈69.1

93.3÷28≈3

40.23÷20.5≈2

Language Exercises

Russian Vocabulary 2.4

эт кет

English Vocabulary 3.3

se ing

Lexicon 2.3

mem ry [remembrance]

Infinitive 1.2

teach taught [teach]

Infinitive 3.1

outleap [outleap]

13+

Recommended for adolescents from the age of thirteen

Integer Examples

Conversant 0.4 in

580-803-642=-865

Conversant 0.5 in

-270000-29000-1000=-300000

Conversant 1.4 in

-278-118=-396

Conversant 2.4 in

-578+241+184=-153

Conversant 2.5 in

-987259+785779-38520=-240000

Conversant 3.4 in

622-(-707+509)=820

Conversant 3.5 in

1000000-(-810000+930000)=880000

Conversant 4.4 in

(530-357)-(750+291)=-868

Conversant 4.5 in

(600000+792983)-(96952+770651)=525380

6938712÷396=17522

-105-2×220=-545

-672+340÷4=-587

16-39×12÷18=-10

326-(-37-39)÷4=345

7×2×(-20)=-280

-20×(-15)=300

-2×5×5=-50

36÷(-12÷2)=-6

-20÷4×(-24÷(-3))=-40

9900000÷300=33000

Decimal Examples

Partitive 0.4 dp

439.279-17-32.279=390

Partitive 1.4 dp

427.596-254.6=172.996

Partitive 2.4 dp

457.221-96.696-169.921=190.604

Partitive 3.4 dp

537.051-(295.368-167.605)=409.288

Split 0.3 dn

-91.18+66.3-55.12=-80

Split 0.4 dn

-71-489.921=-560.921

Split 1.3 dn

78.2+11.8=90

Split 1.4 dn

-450-152.449=-602.449

Split 2.3 dn

-34-97.91+32.82=-99.09

Split 2.4 dn

15.832-205.642+55.221=-134.589

Split 3.3 dn

73.31-(-15.54-1.61)=90.46

Split 3.4 dn

-572.502-(-160.053+0)=-412.449

20÷5=4

0.192÷0.004=48

2.7÷15=0.18

5.5×0.046=0.253

3.25×0.64=2.08

46.24÷5.78=8

1.728÷3.456=0.5

67.2÷10÷0.5=13.44

3.9÷2.6×65=97.5

0.6÷(27.05÷5.41)=0.12

Denary 5.3 dp

0.5×(3×0.064)=0.096

Definition 0.2 dp

2.5÷(0.72+1.78)×9=9

Definition 1.2 dp

2.5÷31.25+11.34=11.42

Definition 1.3 dp

37.8÷0.8-44.988=2.262

Definition 2.2 dp

24.4+8×8.75×1.08=100

Definition 2.3 dp

6×0.16+20×0.015=1.26

Definition 3.2 dp

(4.26+12.38)÷(1.2+11.8)=1.28

Negatory 0.1 dn

(12.8+24)÷(-42.2-31.4)=-0.5

Negatory 0.2 dn

54.96-2.7÷10×30=46.86

Negatory 1.2 dn

-23.04÷72-89.74=-90.06

Negatory 1.3 dn

-4.1×16+93.42=27.82

Negatory 2.2 dn

8.75×0.64-5.7×8=-40

Negatory 2.3 dn

63.385-0.6×0.015+34.894=98.27

Negatory 3.1 dn

7.6-(72-71.2)×60=-40.4

Negatory 3.2 dn

18-(-4.63-11.37)×0.3=22.8

Residual_ENG 1.2 dp

40÷5=8

Divisional_ENG 1.3 dp

0.6÷0.05=12

Fraction Examples

Numerator 0.3 fp

771/8-6803/72+307/171=70/19

Numerator 1.3 fp

44258/575-43918/575=68/115

Numerator 2.3 fp

39927/409-20260/409-19258/409=1/1

Numerator 3.3 fp

24867/446-(367/669+110/669)=24549/446

Denominator 0.2 fn

8/23+77/92-39/46=31/92

Denominator 1.2 fn

-17/3-76/99=-637/99

Denominator 1.3 fn

3/4+3784/71=15349/284

Denominator 2.2 fn

757/77-1/3-20/21=94/11

Denominator 3.2 fn

47/21-(38/9+25/9)=-100/21

Fragment 0.1 fp

3/2×2/3=1/1

Fragment 0.2 fp

37/7÷(1/3×333/17)=17/21

Fragment 1.3 fp

17/7÷17/28=4/1

Fragment 2.2 fp

9/10÷9/40÷16/23=23/4

Fragment 2.3 fp

3627/85÷1116/25÷13/4=5/17

Fragment 3.1 fp

(35/4×1/10)×40/7=5/1

Fragment 3.2 fp

69/40×(2/3÷5/4)=23/25

Reduction 1.3 fp

114/1178=3/31

Limited 0.1 fp

1/6+2/3×1/8=1/4

Limited 1.2 fp

11/13×195/44+235/46=815/92

(3/8+1/8)÷2/3=3/4

-4/3÷(-2/3-2/3)=1/1

-3/5-4/5÷1/8=-7/1

-138/5+54/5÷9/61=228/5

Complete 2.1 fn

(53/10+3/2)÷17/10=4/1

Comparisons

Ceil 0.4 in

990537-17775 > 2600+3199

Ceil 1.4 in

-775923 > -933776

Ceil 2.4 in

-33000-626579 < 590364-135769

Ceil 3.4 in

-2×315172 < -793184÷2

Point 0.3 dp

10.071 < 51.284

Point 0.4 dp

7.28×7.5 < 1.875×240

Point 2.4 dp

849.473-523.69 < 465.375+99.75

Point 3.3 dp

34.986÷4.998 < 19.272÷1.606

Point 3.4 dp

5.61×115.2 > 780÷13

Doted 0.3 dn

-55.176÷(-1.254) < 62.15÷1.243

Doted 1.3 dn

-42.984 < -18.471

Doted 1.4 dn

2.314 > -834.886

Doted 2.3 dn

-27.286+98.194 > -2-0.119

Doted 2.4 dn

-948.125+212.219 > -511.355-288.645

Doted 3.3 dn

4.375×(-2.432) < 42.556÷(-4)

Improper 0.3 fp

1/3×20752/277 > 1022/19×19/42

Improper 3.3 fp

1/4÷57/104 < 6/13×806/57

Descent 0.1 fn

-1/2-1/2 < 1/1-1/5

Descent 0.2 fn

9/1×35/54 > 8/1÷(-12/7)

Descent 1.3 fn

15627/619 > -251/10

Descent 2.2 fn

-2/7-13/28 < 493/52-69/52

Descent 3.1 fn

-1/2÷3/4 < 5/6×4/5

Descent 3.2 fn

2/1÷(-37/42) < -16/3×15/64

Equations

-56-x=86

-555+29×x=460

-60×(865-x)=540

x-y=9

Rounding

Rounding 0.3 dp

56.862-14.962≈41.9

Rounding 3.3 dp

100÷1.25≈80

Language Exercises

Russian Vocabulary 1.5

хл стать

Russian Vocabulary 3.4

вн запно

English Vocabulary 1.4

irr tated

English Vocabulary 2.4

excl ding

Lexicon 1.4

c nnection [union]

Infinitive 2.2

hang [hang]

14+

Recommended for adolescents from the age of fourteen

Integer Examples

Intellect 0.3 in

(10000-4900)÷(144+60)=25

Intellect 1.3 in

-7015-1656÷24=-7084

Intellect 2.3 in

-2726-50×22×75=-85226

Intellect 3.3 in

-136-350÷(4905-4903)=-311

(1296÷36)÷6=6

-52×99=-5148

5×20÷(-10)=-10

2394÷(-3×(-2))=399

-5280÷5÷(22×(-2))=24

Decimal Examples

89÷100=0.89

3×0.01=0.03

4.5×0.012=0.054

529.2÷282.24=1.875

0.52÷1.04=0.5

1.7×64÷68=1.6

(4×0.011)÷2=0.022

29.325×1.28-1.024=36.512

Definition 0.4 dp

361×0.729+326.831=590

Definition 1.4 dp

342.72÷21.76-3.758=11.992

Definition 2.4 dp

368.51-2.3×0.02+189.536=558

Definition 3.3 dp

39-0.014÷(100-86)=38.999

Definition 3.4 dp

678.258+(845.967-843.667)×0.01=678.281

Negatory 0.3 dn

-25.734+8×8.918=45.61

Negatory 0.4 dn

918.065+(4.445+1.555)×4.48=944.945

Negatory 1.4 dn

100÷12.5-435.267=-427.267

Negatory 2.4 dn

-52+252.72÷13÷0.045=380

Negatory 3.3 dn

22.011-(21-11.1)÷6.6=20.511

Negatory 3.4 dn

597.818+(13.425+5.575)×4.232=678.226

Residual_ENG 1.3 dp

43÷25=1.72

Fraction Examples

Denominator 0.3 fn

-2/11+(-9/253-3448/115)=-151/5

Denominator 2.3 fn

-36/85-23/170-43023/646=-1276/19

Denominator 3.3 fn

55/19-(995/133+5375/133)=-45/1

Fragment 0.3 fp

1049/37÷(1/5÷3/5)=3147/37

Fragment 3.3 fp

97/18×(576/13÷64/13)=97/2

Limited 0.2 fp

1255/36-27/32×2104/81=233/18

Limited 1.3 fp

805/566+4/11×385/8=5355/283

Limited 2.2 fp

(1231/34-1069/34)÷27/4=12/17

Complete 0.2 fn

19/3÷(-5/9-10/63)=-133/15

Complete 1.3 fn

-3/4×142/99+421/990=-322/495

Complete 2.2 fn

(-208/17-183/17)×1/32=-23/32

Comparisons

Doted 0.4 dn

2 < 721.033

Doted 3.4 dn

35×12.288 > 26.496×16

Descent 0.3 fn

5576/173÷11152/299 < -48/1×(-47/24)

Descent 2.3 fn

-1/10-373/730 < 1/3+1/1

Descent 3.3 fn

-219/4÷(-34091/516) > 95/3÷(-475/183)

Equations

8x²=800

10x²=0

-x²-x=0

x²-8x+12=0

y+x=15

x+y=180

7y×x=280

7y+7x=84

y+3x=-24

-y+x=-11

-9y×x=900

-6x-7y=71

Language Exercises

Russian Vocabulary 2.5

б ллон

English Vocabulary 1.5

a knowledge

English Vocabulary 2.5

a knowledge

English Vocabulary 3.4

repr duce

Lexicon 1.5

enthu iastic [ebullient]

Lexicon 2.4

per uade [assure]

Infinitive 1.3

hit hit [hit]

Infinitive 3.2

fight [fight]

15+

Recommended for adolescents from the age of fifteen

Integer Examples

Logics 0.4 in

-975744÷44÷(12×22)=-84

Logics 1.4 in

-9776÷13=-752

Logics 2.4 in

-1250÷(-25)×(-900)=-45000

Logics 3.4 in

533×(39×(-30))=-623610

Logics 4.4 in

446×(-99360÷(-460))÷(-36)=-2676

Fraction Examples

Limited 0.3 fp

1/2-1/8÷5/4=2/5

Limited 2.3 fp

(211/650+359/650)×134/285=134/325

Complete 0.3 fn

-(11/24-73/72)÷5/367=367/9

Complete 2.3 fn

-17460/289÷(494/5-1694/17)=2425/34

Equations

-75x²-7500x=0

60x²=7260

-10x²+10x=0

-2x²-14x+520=0

81y+21x=6750

x+y=609

3x×y=8400

60y-30x=2100

-y×7x=-2079

-y-x=-26

-13x×26y=38532

-60y+79x=-171

Language Exercises

Russian Vocabulary 3.5

надв е

English Vocabulary 3.5

c pacity

Lexicon 2.5

tr ditionally [typically]

Infinitive 2.3

slide [slide]

16+

Recommended for adolescents from the age of fifteen

Equations

61x²=8171316

29x²=3158100

276x²+2760x=0

2x²-892x+94458=0

9y÷x=2

38x×2y=2708640

132x+108y=93720

407y+74x=228882

-y+x=101

-6x×3y=92160

-32y-4x=27116

Language Exercises

Infinitive 3.3

send [send]

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