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học vui

Authored by nhung thị

Mathematics

2nd - 3rd Grade

Used 1+ times

học vui
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40 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

công thức tính diện tích hình tam giác?

S=Hx2:A

S=AxH:2

S=Ax2:h

S=A:Hx2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tính diện tích hình thang

A=14cm

B=6cm

h=7cm

s=...cm vuông

60cm vuông

23cm vuông

89cm vuông

70cm vuông

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

tính diện tích hình tam giác ?

a=30,5dm

h=12dm

s=...dm vuông

123 dm vuông

145dm vuông

183dm vuông

127dm vuông

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

4,5x6-7=?

20

14

35

47

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

8m5dm=...m?

5,8 m

8,5m

5800m

85m

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

0,645 × 7500=?

483

3748

4837,5

453

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

0,16:X=2-0,4?

x=0,9

x=2,3

x=0,1

x=2.4

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