
ДПА 9 кл дроби, рівняння, Піфагора
Authored by Olga Korodchenkova
Mathematics
9th Grade
Used 1+ times

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8 questions
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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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