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1.

\frac{2}{9}+\frac{2}{9}+\frac{3}{9}

a)

$\frac{5}{9}$

b)

$\frac{8}{9}$

c)

$\frac{7}{9}$

2.

a)

$\frac{7}{9}$

b)

$\frac{10}{9}$

c)

$\frac{6}{9}$

d)

$\frac{12}{9}$

3.

a)

$5$

b)

4

c)

$\frac{6}{1}$

d)

2

4.

a)

$3\frac{6}{8}$

b)

$\frac{6}{7}$

c)

$4\frac{4}{9}$

5.

a)

$5\frac{2}{5}$

b)

$\frac{6}{7}$

c)

$3\frac{3}{4}$

6.

a)

$13\frac{2}{4}$

b)

$\frac{13}{15}$

c)

$\frac{15}{18}$

d)

$17\frac{1}{3}$

7.

$3+\left(5-\frac{1}{2}\right)\div\left(\frac{5}{26}\div\frac{5}{13}\right)$

a)

15

b)

17

c)

13

d)

12

8.

$\left(22,6+5,4\right)-\left(21,7-13,7\right)$

a)

13

b)

10

c)

21

d)

45

e)

20

9.

$\frac{2}{5}-\frac{3}{20}$

a)

$\frac{1}{3}$

b)

$\frac{2}{6}$

c)

$\frac{1}{4}$

10.

$\frac{6}{f}=\frac{42}{63}$ Найдите f в пропорции

a)

6

b)

10

c)

2

d)

4

e)

9

11.

\left(-\frac{1}{2}\right)^3

a)

$-\frac{1}{32}$

b)

$\frac{1}{16}$

c)

$\frac{1}{8}$

d)

$-\frac{1}{8}$

12.

2,(7) запиши в виде обыкновенных дробей

a)

$2\frac{5}{6}$

b)

$2\frac{7}{9}$

c)

$\frac{6}{7}$

d)

$2\frac{8}{9}$

13.

-х+4,5=7

решите уравнение

a)

-4,5

b)

-1,3

c)

2,4

d)

-2,5

14.

-k+9=10,2

a)

-5,6

b)

-1,4

c)

3,6

d)

-1,2

15.

$\left(\frac{3}{4}\right)\div1\frac{1}{2}$

a)

$\frac{1}{4}$

b)

$\frac{1}{5}$

c)

$\frac{1}{2}$

d)

$\frac{1}{7}$

16.

$4\frac{2}{3}\div\left(-1\frac{1}{6}\right)$

a)

-4

b)

+1

c)

-5

d)

-7

17.

$\left(-\frac{4}{5}\right)\div\left(-8\right)$

a)

$\frac{1}{11}$

b)

$\frac{1}{2}$

c)

$\frac{1}{3}$

d)

$\frac{1}{10}$

18.

$\frac{-7}{8}=\frac{x}{-24}$ Найдите неизвестное число X в пропорции

a)

30

b)

21

c)

24

d)

28

19.

$\frac{5}{-9}=\frac{10}{x}$

a)

-18

b)

-43

c)

-35

d)

-24

20.

-n+5=7,4

a)

2,4

b)

3,4

c)

-3,4

d)

-2,4

e)

1,4

21.

$\frac{20}{18}+\frac{40}{19}$

a)

$2\frac{7}{49}$

b)

$3\frac{37}{171}$

c)

$3\frac{76}{285}$

22.

$\frac{43}{19}+\frac{21}{19}$

a)

$2\frac{31}{43}$

b)

$2\frac{32}{64}$

c)

$3\frac{7}{19}$

23.

$\frac{46}{9}+\frac{1}{3}$

a)

$5\frac{4}{9}$

b)

$\frac{4}{89}$

c)

$2\frac{21}{43}$

24.

$\frac{21}{24}+\frac{2}{6}$

a)

$1\frac{3}{54}$

b)

$2\frac{3}{24}$

c)

$1\frac{4}{24}$

d)

$1\frac{5}{24}$

25.

$\frac{9}{21}+\frac{6}{21}$

a)

$\frac{8}{32}$

b)

$\frac{5}{7}$

c)

$\frac{5}{23}$

d)

$\frac{45}{21}$

26.

$\frac{2}{4}+\frac{2}{10}+\frac{7}{15}$

a)

$\frac{4}{5}$

b)

$1\frac{2}{7}$

c)

$1\frac{1}{6}$

27.

$\frac{10}{15}+\frac{1}{2}$

a)

$\frac{5}{8}$

b)

$\frac{8}{9}$

c)

$1\frac{1}{6}$

28.

$\frac{23}{12}+\frac{4}{12}+\frac{16}{12}$

a)

$2\frac{6}{12}$

b)

$2\frac{3}{12}$

c)

$3\frac{7}{12}$

29.

$1+\frac{2}{6}+\frac{7}{6}$

a)

$9$

b)

$\frac{5}{6}$

c)

$2\frac{1}{2}$

d)

$\frac{1}{6}$

30.

$\frac{4}{5}+4\frac{4}{5}$

a)

$5\frac{1}{5}$

b)

$5\frac{2}{5}$

c)

$1\frac{3}{5}$

d)

$5\frac{3}{5}$

Mate

Total questions: 30

Worksheet time: 16mins

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