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ДПА 9 кл дроби, рівняння, Піфагора

Authored by Olga Korodchenkova

Mathematics

9th Grade

8 Questions

Used 1+ times

ДПА 9 кл дроби, рівняння, Піфагора
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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Обчислити: 16,2 - 3,6 =

12,6

10,6

1,26

0,126

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

34,1 - 18,53 =

15,67

16,67

16,63

15,57

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4,34 + 15,8 =

19,42

20,14

20,42

21,42

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

 23,4 ·  0,001 =

0,234

0,00234

0,0234

23400

2,34

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

10,2 · 0,4 =

1,02

4,08

40,8

0,408

6.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Розв'язати рівняння:

7 – 2х = 9 – 3х

Х = 2

Х = - 2

Х = 16

Х = -16

Answer explanation

7 – 2х = 9 – 3х

  • -2х +3х = 9-7

  • х = 2

7.

MULTIPLE CHOICE QUESTION

2 mins • 2 pts

Розв'язати рівняння:

–4х – 21 = –7х – 3

Х = 18

Х = 6

Х = - 6

Х = -18

Answer explanation

–4х – 21 = –7х – 3

-4х+7х = -3+21

3х = 18

х = 18:3

х=6

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