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

1+3=4

Beginner 2.1 ip

10-2=8

Beginner 3.1 ip

10-6=4

Step-by-step Tasks

1+2=3

1+4=5

5+2=7

2+3=5

7+1=8

3-1=2

6-2=4

5-2=3

9-1=8

6-2=4

3-3=0

Recommended for children from six years

Integer Examples

1+8=9

16-9=7

6+7=13

6-5+8=9

Step-by-step Tasks

8+2=10

3+9=12

2+0=2

4+8=12

0-0=0

5+4=9

5+3=8

6+7=13

4+5=9

7+4=11

7+8=15

7+1=8

4+8=12

9+7=16

9-0=9

10+6=16

5+10=15

5-4=1

8-5=3

9-2=7

13-2=11

5-2=3

10-6=4

16-7=9

10-5=5

9-8=1

20-8=12

10-9=1

15-0=15

13-10=3

Recommended for children from seven years

Integer Examples

10+(9-9)=10

12+14=26

62-30=32

75-27=48

19-2+1=18

1+(5+1)=7

Step-by-step Tasks

10+3=13

5+5=10

9+0=9

12+5=17

22+3=25

14+11=25

10+10=20

18-15=3

2+25=27

25+6=31

5+27=32

15-8=7

5-1=4

3-2=1

5-3=2

24-14=10

8-5=3

18-6=12

16-7=9

17-17=0

1×6=6

2×4=8

1×4=4

4÷1=4

Comparisons

Natural 1.1 ip

3 < 7

Natural 2.1 ip

5-0 > 8-5

Language Exercises

Russian Vocabulary 1.1

учебн к

Recommended for children from eight years

Integer Examples

20-2=18

2+5=7

705-207=498

32+218=250

58-46+67=79

16-(1+5)=10

2×3=6

91÷13=7

8×4=32

54+29=83

79-31=48

30-10=20

Step-by-step Tasks

29+1=30

28+2=30

8+12=20

19+13=32

80+0=80

4+16=20

1+4+3=8

19-18=1

20-17=3

16-9=7

11-7=4

40-20=20

100-60=40

10×3=30

2×1=2

4×10=40

9×3=27

8×5=40

5×7=35

10×5=50

6×6=36

4×1=4

8×7=56

4×3=12

6×10=60

1×8=8

3×7=21

10×9=90

9×9=81

5×2=10

10×4=40

16÷2=8

6÷2=3

3÷3=1

12÷3=4

0÷4=0

4÷4=1

30÷5=6

27÷3=9

10÷1=10

48÷6=8

10÷5=2

63÷7=9

32÷4=8

5÷1=5

0÷8=0

0÷3=0

81÷9=9

15÷5=3

30÷3=10

10÷10=1

Comparisons

4 > 2

64 > 50

29+1 > 62-35

10÷5 > 4÷4

Equations

Linear 1.1 ip

10-x=1

Linear 2.1 ip

10×x=10

Language Exercises

Russian Vocabulary 1.2

г гант

Russian Vocabulary 2.1

чу ть

Russian Vocabulary 3.1

б стро

English Vocabulary 1.1

w r

English Vocabulary 2.1

on y

Lexicon 1.1

y s [agreement]

Lexicon 2.1

f ot [sole]

Recommended for children from nine years

Integer Examples

11+25-16=20

10+38+67=115

100+(73-73)=100

12×3=36

2×245=490

568÷8=71

810÷3=270

40÷2÷4=5

8÷(4÷2)=4

60×2÷(3×4)=10

57÷9=6(3)

5811+3090=8901

7000-6446=554

8747-4847=3900

65×7=455

72÷2=36

70-7×10=0

8+92÷2÷2=31

90÷9=10

27÷3=9

Step-by-step Tasks

15×2=30

11×8=88

3×17=51

2×15=30

4×12=48

5×11=55

12×3=36

20×5=100

3×20=60

6×20=120

10×7=70

6×15=90

11×8=88

2×33=66

12×9=108

15×7=105

6×20=120

20×2=40

2×20=40

16÷2=8

88÷11=8

54÷3=18

2÷2=1

76÷4=19

95÷5=19

40÷2=20

48÷4=12

20÷10=2

12÷6=2

126÷7=18

66÷6=11

88÷8=11

60÷10=6

18÷9=2

35÷7=5

480÷10=48

135÷9=15

12÷4=3

Comparisons

20 < 48

87 < 580

738-94 < 460+420

60÷5 < 100÷2

Equations

Linear 1.2 ip

x+45=65

Linear 2.2 ip

x×5=35

Linear 3.1 ip

2+x×7=9

Language Exercises

Russian Vocabulary 1.3

фабр ка

Russian Vocabulary 2.2

изв ни

Russian Vocabulary 3.2

д алог

English Vocabulary 3.1

f re

10+

Recommended for children from ten years

Integer Examples

975-21-84=870

108027+666122=774149

950543-250543=700000

174686+125314=300000

431-(247-156)=340

588÷7=84

20×245=4900

2400÷80=30

52×81=4212

8×8×12=768

1000÷(400÷40)=100

8×4×(2×10)=640

136÷7=19(3)

448033+237992=686025

395396-182878=212518

794288-639670=154618

8600×7=60200

7507×52=390364

478÷2=239

45+(15+3)÷18=46

370-40÷2=350

734-44÷22×289=156

(4+7)×(7+2)=99

810÷9=90

35÷5=7

Comparisons

Natural 0.3 ip

506+469 > 107+148

Natural 1.4 ip

611200 < 611247

Natural 2.4 ip

15000+234100 < 314994+615006

Natural 3.3 ip

36×8 > 38×3

Equations

7×x=7

x+136=763

41×x=410

33+x÷3=56

9÷(x+1)=3

Rounding

Round 1.1 ip

232≈23

Round 1.2 ip

3830≈38

Round 2.1 ip

810+92≈90

Language Exercises

Russian Vocabulary 2.3

вн мание

English Vocabulary 1.2

ch at

English Vocabulary 2.2

ins de

Lexicon 1.2

p ate [dish]

Lexicon 2.2

our [pronoun]

Infinitive 1.1

rid rid [rid]

11+

Recommended for children from the age of eleven

Integer Examples

Beginner 0.5 ip

40000+955560=995560

Beginner 4.5 ip

114479+71580+313941=500000

Beginner 5.5 ip

994942-(472617+153626)=368699

Conversant 1.1 in

-4+4=0

Conversant 1.5 in

-522467-204929=-727396

1+10-9=2

500÷100=5

210÷14÷15=1

(5×50)÷2=125

960÷16×(90÷6)=900

654÷100=6(54)

8648×270=2334960

9315÷45=207

451×2-76÷19=898

4200-600÷20-3362=808

2000-176÷44=1996

584×95-1280÷128=55470

Numeracy 3.2 ip

276+(45-44)×37=313

Numeracy 3.3 ip

(136+1704)÷(53+867)=2

Divisor_ENG 1.3 ip

7991÷61=131

Remainder_ENG 1.3 ip

166÷49=3(19)

Decimal Examples

8.2-0.3-1=6.9

30.6+39.3+24=93.9

1.2+1.8=3

0.9+71.2=72.1

8.4-1.2-2.2=5

87.9-17.7-7.4=62.8

2+(6.6-0.2)=8.4

31.4+(63.7-39)=56.1

48.6÷1.2=40.5

8.4×4.5=37.8

12.6÷0.5=25.2

1.4×2.5=3.5

Divisional_ENG 1.1 dp

10.8÷0.6=18

Fraction Examples

Numerator 1.1 fp

8/9-1/3=5/9

Comparisons

Natural 0.4 ip

890114-40114 > 305002+36972

13×16 < 35732÷2

-7 < 3

-7 < 3

7-10 < -2-0

6÷2 < -2×(-4)

78.7 > 29.7

81.4-79.4 < 3.9+83.3

1/9 < 4/5

27/40 > 7/20

1/2+1/8 < 5/6-1/6

Equations

60+x×9=96

x÷5=90

x÷463-1=0

56÷(x+1)=7

(747-x)×117=585

1-x=1

x÷(-7)=-1

Rounding

44.3≈44

19.1-18.1≈1

529≈53

1528≈15

535855≈536

809804≈810

1752+3651≈54

945024-244674≈700

5×25≈13

4136÷8≈5

870504÷152≈6

Language Exercises

Russian Vocabulary 1.4

орг низм

Russian Vocabulary 3.3

р сток

English Vocabulary 1.3

e pire

English Vocabulary 2.3

logi

English Vocabulary 3.2

oung

Lexicon 1.3

un form [outfit]

Infinitive 2.1

take [take]

12+

Recommended for children from the age of twelve

Integer Examples

-(10+6)+(6+0)=-10

(4+2)+(4+6)=16

22-(60-34)=-4

-6+5=-1

-46+56=10

17+16-13=20

-67-66+100=-33

-2-(1+4)=-7

-8-(1+4)=-13

-66-(0-18)=-48

-(3-0)+(8+5)=10

(19+3)-(3+4)=15

-(68-40)+(40+60)=72

505×408=206040

384×150=57600

10235÷89=115

716082÷138=5189

2×10000÷160=125

(500÷2)×40=10000

109×(336÷8)÷14=327

48742×1676=81691592

95559÷53=1803

72+36×2÷4=90

-91÷13+11=4

57÷3+2×10=39

-35-(92-77)÷5=-38

-18÷(3×(-3))=2

-66÷(-6)=11

10×(-3)×(-3)=90

(-80÷2)÷(-4)=10

-2×(48÷(-6))÷8=2

83300÷28=2975

Decimal Examples

Partitive 0.3 dp

18.26+(63.2-7.85)=73.61

26.24-25.89=0.35

70-58+33=45

81.88-(16+24)=41.88

-7.5+0.5=-7

-12-(1.3+16.1)=-29.4

-2.9+3.1=0.2

-84-14.4=-98.4

4.7+6.9-9.7=1.9

-98.1+66.3-48.6=-80.4

0.8-(5.7+5)=-9.9

-5-(8.1+52.6)=-65.7

14÷10=1.4

3.92÷0.05=78.4

4.5×0.8=3.6

2.2×1.05=2.31

43.2÷72=0.6

42.24÷64=0.66

9×2.8÷7.2=3.5

(9×0.1)÷3=0.3

74.1÷9.5-0.2=7.6

11.1+3.8×3=22.5

15.4-14.4÷3+81.9=92.5

Definition 3.1 dp

26.9-(84.1-81.1)×6.6=7.1

Negatory 1.1 dn

-18÷1.8-23=-33

Negatory 2.1 dn

91-3×9.6-34.2=28

Residual_ENG 1.1 dp

37÷2=18.5

Divisional_ENG 1.2 dp

0.14÷2.8=0.05

Fraction Examples

Numerator 0.1 fp

3/5+2/5-5/8=3/8

Numerator 0.2 fp

8/13+5/13+17/22=39/22

Numerator 1.2 fp

3/10+841/90=434/45

Numerator 2.1 fp

7/9-1/9-4/9=2/9

Numerator 2.2 fp

119/87+484/87-201/29=0/1

Numerator 3.1 fp

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

Numerator 3.2 fp

266/29-(47/29-13/29)=8/1

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

2/3+1/3=1/1

-1/5+6/7-4/5=-1/7

-1/8+(-1/8-1/8)=-3/8

3/5×7/3=7/5

14/3×6/35=4/5

46/5÷23/5×34/9=68/9

2/8=1/4

480/16=30/1

49/9+1/2÷9/4=17/3

Comparisons

15÷(-5) > -40÷10

978÷(-6) < -810÷6

-24 < 48

730 > 554

-2+98 > -55+80

-239-388 < -248+30

-12×2 < 5×7

-640÷(-16) < 666÷2

90.4-17.9 > 99.7-61

56.88-4.25 < 1.7+50.94

81 > 80.07

63.298 > 40

190.863 < 436.083

26.53+26.28 > 1.85+50.07

Point 2.3 dp

86.162-52.642 = 97.534-64.014

83.1÷27.7 < 1.6×28.5

1.6×11.25 < 81÷4.05

53.6 > 44.8

9.5 < 89.95

76.8 > -62.4

97.11 = 97.11

63.7-7.3 > -33.7+89.9

Doted 2.2 dn

92.16-19.59 > -27.67+18.04

Doted 3.1 dn

-97.2÷1.8 < 2×(-4.4)

Doted 3.2 dn

-83.8÷(-8.38) > 67.5÷(-6.75)

5/9×3/10 < 3/4÷9/10

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

2616/43 > 411/11

17/2-81/10 < 11/2-23/6

Improper 2.3 fp

403/9-26911/603 < 5/2+251/4

1/3÷3/7 > 1/3÷5/9

1/2÷61/34 < 1/2×3/5

-1/6 > -3/4

-264/49 < 125/17

-1/5-3/10 < 2/3-1/3

Equations

-1+x÷7=-1

-66÷x=3

35+x=75

-x-561=409

-2×x=-84

x×(-31)=-930

-x×4+6=2

-60-2×x=100

-2×(x-7)=6

32÷(-18+x)=-4

Rounding

76.8≈77

60.42-5.14≈55.3

61.65≈61.7

9.106≈9.11

45.64+15.81≈61.5

79.659-59.158≈20.5

21.7÷37.3≈1

100÷2≈50

Language Exercises

Russian Vocabulary 2.4

э спрессия

English Vocabulary 3.3

un form

Lexicon 2.3

mem ry [remembrance]

Infinitive 1.2

let let [let]

Infinitive 3.1

unspin [unspin]

13+

Recommended for adolescents from the age of thirteen

Integer Examples

-875-(-494+440)=-821

629575-632768=-3193

-493+602=109

-478+53+796=371

-39565-759256-36212=-835033

Conversant 3.4 in

29-(-288-682)=999

Conversant 3.5 in

-114464-(-343305+181000)=47841

Conversant 4.4 in

-(288+616)-(151-335)=-720

Conversant 4.5 in

-(374359-5757)+(660000+443820)=735218

20000÷100=200

-295-56×44÷11=-519

-90×7-21=-651

916÷2-280÷35=450

-176-(903-957)÷9=-170

91÷(-7)=-13

-20×(-15)=300

-20×25÷2=-250

-4×(5×5)=-100

20×(-26÷13)×(-8)=320

1275445÷265=4813

Decimal Examples

Partitive 0.4 dp

18-18=0

Partitive 1.4 dp

11+151=162

Partitive 2.4 dp

296.5+158.694-155.194=300

Partitive 3.4 dp

380.021+(381.715+92)=853.736

Split 0.3 dn

-54.65-5.27-17.34=-77.26

Split 0.4 dn

-582.667+45+112.667=-425

Split 1.3 dn

13.3-6.79=6.51

Split 1.4 dn

-294.406+538.728=244.322

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

-70-(-97.33-62.67)=90

Split 3.4 dn

231.633+(-501.023+145.666)=-123.724

36÷3=12

0.072÷0.1=0.72

0.96÷(0.8×0.05)=24

5.5×0.046=0.253

0.736×20=14.72

2.64÷1.32=2

3.432÷1.716=2

43.75×0.24÷7.5=1.4

35.64÷88÷1.35=0.3

(7.8÷2.5)÷15.6=0.2

(24.48÷61.2)÷0.883=0.453

Definition 0.2 dp

88.81-2.2÷27.5-66.4=22.33

Definition 1.2 dp

29.2-2.72÷13.6=29

Definition 1.3 dp

61.675+0.768÷0.64=62.875

Definition 2.2 dp

31+21.6÷1.35-27.49=19.51

Definition 2.3 dp

45.752+37.2×0.48+4.908=68.516

Definition 3.2 dp

27.92+(65.47-65.29)÷2.25=28

Negatory 0.1 dn

-78÷1.3+39.1=-20.9

Negatory 0.2 dn

56.77+3×10.4=87.97

Negatory 1.2 dn

-33.26-52.92÷18.9=-36.06

Negatory 1.3 dn

-4.1×16+93.42=27.82

Negatory 2.2 dn

82.2-0.65×0.2+7.99=90.06

Negatory 2.3 dn

56.482-0.8÷1.28×98=-4.768

Negatory 3.1 dn

(11.7+7.8)÷(29+36)=0.3

Negatory 3.2 dn

4.62-(79.8-94.8)×0.32=9.42

Residual_ENG 1.2 dp

100÷25=4

Divisional_ENG 1.3 dp

0.142÷2=0.071

Fraction Examples

Numerator 0.3 fp

4744/99-(1/5+356/495)=47/1

Numerator 1.3 fp

6998/159-5329/318=2889/106

Numerator 2.3 fp

3/4+177/4-5323/176=2597/176

Numerator 3.3 fp

3044/35-(1/5+27/35)=86/1

Denominator 0.2 fn

-189/29-(461/58-507/58)=-166/29

Denominator 1.2 fn

-52/63+5/7=-1/9

Denominator 1.3 fn

-2551/498+134/3=19693/498

Denominator 2.2 fn

5/6+191/66-12/77=25/7

Denominator 3.2 fn

-121/40-(-28/5+23/40)=2/1

3/4÷15/4×25/4=5/4

44/3÷22/13÷13/2=4/3

304/9÷3154/81=72/83

3/2×1/3÷3/20=10/3

1/3÷1/6÷2/97=97/1

5/2×(3/5×2/3)=1/1

(13/12×219/13)÷73/24=6/1

2112/3504=44/73

1/6+2/3×1/8=1/4

95/3÷19/28-29/3=37/1

(1/3+1/3)×1/2=1/3

2/9×(-1/2-1/4)=-1/6

-1/2×4/3-22/3=-8/1

2/29+5/6÷145/18=5/29

-8/3÷(7/4+9/4)=-2/3

Comparisons

Ceil 0.4 in

-5×(-4) > 875112÷(-8)

Ceil 1.4 in

-582416 > -971631

Ceil 2.4 in

-202637+662637 < 105202+359469

Ceil 3.4 in

600442÷(-2) < 160912÷2

Point 0.3 dp

91.924÷6.566 > 0.622×22.5

Point 0.4 dp

799.414 > 530.701

Point 2.4 dp

860.973-709.01 < 129.424+22.543

Point 3.3 dp

7.92×0.5 = 54.648÷13.8

Point 3.4 dp

496.655÷5.843 > 7.4×11.485

Doted 0.3 dn

5.32×(-15) < 64.064÷16

Doted 1.3 dn

9.859 > -20.155

Doted 1.4 dn

707 > 650

Doted 2.3 dn

18.616+32.521 < 2.826+53.079

Doted 2.4 dn

-60.014+716.705 > 275.905-143.044

Doted 3.3 dn

1.75×(-2.116) < 96.018÷26

Improper 0.3 fp

71/2+1417/116 < 3/4+643/10

Improper 3.3 fp

43/65×169/731 < 1313/17×85/303

Descent 0.1 fn

3/5×(-1/2) < 1/2×3/5

Descent 0.2 fn

-1/62-411/62 < 9/2-37/8

Descent 1.3 fn

-13777/249 < -61/415

Descent 2.2 fn

11/3+47/10 > -81/55-221/77

Descent 3.1 fn

1/3×3/10 < 1/5÷1/4

Descent 3.2 fn

-27/5×(-5/54) < -1/2÷(-1/2)

Equations

2×(-x+375)=750

-38×x-112=-872

-300÷(176-x)=-60

x-y=9

Rounding

Rounding 0.3 dp

38.306-18.454≈19.85

Rounding 3.3 dp

37.5÷1.25≈30

Language Exercises

Russian Vocabulary 1.5

наскво ь

Russian Vocabulary 3.4

систем тически

English Vocabulary 1.4

pr ference

English Vocabulary 2.4

alc hol

Lexicon 1.4

poi onous [noxious]

Infinitive 2.2

hung [hang]

14+

Recommended for adolescents from the age of fourteen

Integer Examples

Intellect 0.3 in

-158×54-2160÷80=-8559

Intellect 1.3 in

-2772÷18-5199=-5353

Intellect 2.3 in

7189-432÷24×3996=-64739

Intellect 3.3 in

-136-350÷(4905-4903)=-311

3168÷2÷(-4)=-396

-160÷20=-8

-15×500÷(-2)=3750

(1600÷100)×87=1392

-480÷(-4÷2)÷(-4)=-60

Decimal Examples

74÷2=37

115.2÷384=0.3

0.5×0.18=0.09

11.4÷30.4=0.375

1.012÷1.265=0.8

0.864÷2.4×890=320.4

3.36×(0.52×3.125)=5.46

Definition 0.3 dp

(69.775-68.345)×(5.364+6.536)=17.017

Definition 0.4 dp

100.006-453.6÷672÷7.5=99.916

Definition 1.4 dp

309.816+1.84÷10=310

Definition 2.4 dp

302.4÷168+13.328÷7=3.704

Definition 3.3 dp

29.08-(28.195-25.995)÷27.5=29

Definition 3.4 dp

8.125×(2.256+1.512)÷13=2.355

Negatory 0.3 dn

-16.712-0.858÷2.288+7.686=-9.401

Negatory 0.4 dn

-100.8÷0.896-466.011=-578.511

Negatory 1.4 dn

101.99+28.125×19.2=641.99

Negatory 2.4 dn

538.683+200×0.288×6.25=898.683

Negatory 3.3 dn

9.3×(0.614+9.386)÷4=23.25

Negatory 3.4 dn

597.818+(13.425+5.575)×4.232=678.226

Residual_ENG 1.3 dp

35÷5=7

Fraction Examples

Denominator 0.3 fn

-29553/974+(8/13+928/13)=40575/974

Denominator 2.3 fn

61057/630-1073/108-12913/756=699/10

Denominator 3.3 fn

-1/4-(1/12+1/15)=-2/5

Fragment 0.3 fp

41/3÷205/3=1/5

Fragment 3.3 fp

(39/2÷13/33)÷153/32=176/17

Limited 0.2 fp

(1/3+119/3)÷17/9=360/17

Limited 1.3 fp

1108/13-10/13÷5/86=72/1

Limited 2.2 fp

(1/2+3/22)÷399/88=8/57

Complete 0.2 fn

1/6+1/2÷3/4=5/6

Complete 1.3 fn

6/11÷72/55-473/804=-23/134

Complete 2.2 fn

(2/3-8/3)×1/4=-1/2

Comparisons

Doted 0.4 dn

-315.402 < 998.655

Doted 3.4 dn

928.872÷(-63) < 545.9÷50

Descent 0.3 fn

3681/353 > -268/5

Descent 2.3 fn

271/462+51/154 > -60/121-48007/726

Descent 3.3 fn

25383/620÷8461/184 < -6071/110÷(-467/11)

Equations

-x²+7x-10=0

8x²=8

-9x²+72x=0

-2x²+6x+8=0

y+x=15

y-x=27

3y×4x=432

3y-2x=7

-x+y=20

-y+x=8

-2y×2x=-400

-7y-3x=91

Language Exercises

Russian Vocabulary 2.5

б ллон

English Vocabulary 1.5

suffi iently

English Vocabulary 2.5

signifi antly

English Vocabulary 3.4

congres

Lexicon 1.5

commer ial [trading]

Lexicon 2.4

m ntally [intellectually]

Infinitive 1.3

mean meant [mean]

Infinitive 3.2

sowed [sow]

15+

Recommended for adolescents from the age of fifteen

Integer Examples

Logics 0.4 in

-19×26÷(4199÷(-221))=26

Logics 1.4 in

-3960÷88=-45

Logics 2.4 in

20×160÷(-400)=-8

Logics 3.4 in

-640000÷(3200÷(-800))=160000

Logics 4.4 in

-693120÷(2888÷(-38))÷16=570

Fraction Examples

Limited 0.3 fp

(50/3+203/24)×40/67=15/1

Limited 2.3 fp

(211/650+359/650)×134/285=134/325

Complete 0.3 fn

-831/31÷(1/2-139/2)=277/713

Complete 2.3 fn

-17460/289÷(494/5-1694/17)=2425/34

Equations

-2x²+26x+280=0

42x²=9450

-84x²+3948x=0

2x²+34x-540=0

x+y=161

x-y=298

60y÷x=6

60y-30x=2100

-29y-24x=3230

-x+y=64

29568y÷77x=-4480

-31y-x=-1509

Language Exercises

Russian Vocabulary 3.5

масл ница

English Vocabulary 3.5

continuo sly

Lexicon 2.5

ind pendence [liberty]

Infinitive 2.3

overdo [overdo]

16+

Recommended for adolescents from the age of fifteen

Equations

2x²-540x-33488=0

231x²=1006236

950x²-148200x=0

3x²+288x+6045=0

9y÷x=2

840x÷294y=4

134x-10y=240

-46x+254y=95236

-y+x=101

-10x×4y=-3149280

239y-9x=-98470

Language Exercises

Infinitive 3.3

forego [forego]

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