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Câu hỏi Toán học

Authored by Hoa Dam

Mathematics

7th Grade

Used 3+ times

Câu hỏi Toán học
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Giá trị của biểu thức 2m + 2n khi m = n = -1 là:

4

-4

0

1

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

36

3

-3

15

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Bạn Tâm mua 5 quyển vở giá x đồng/1 quyển; mua 4 cái bút giá y đồng/1 cái. Hỏi tổng số tiền mà bạn Tâm phải trả là:

5x + 4y

5 + x + 4 + y

5x

4y

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

178,5 cm;

178,4 cm.

178,3 cm;

178,2 cm;

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

x=7

x=5

x=-7

x=-5

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