
Ôn tập số thập phân
Authored by Tuấn Hoàng
Mathematics
6th - 8th Grade
Used 2+ times

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16 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính 5,285 - (-3,145)
-8,43
8.43
-2.14
2.14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm x biết: x - 6,35 = 3,85
x = 10,3
x = 10,1
x = 10,2
x = 10,4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm x biết: x.2,8 = -9,52
x = 3,4
x = -3,4
x = 4.3
x = -4.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phép tính nào cho kết quả nào đúng ?
A. (-2,586) + 54,253 = 51,667
B. 56,21 + (-100,85) = 44,64
C. (-125,33) + (-56,365) = 181,695
D. Đúng
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Phép tính cho kết quả nào sai ?
A. 25,64 - 39,562 = -13,922
B. 125,349 - (-62,5) = 187,849
C. 78,52 - 25,24 = -53,28
D. Sai
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm x biết: 4,5.x + 1,6 = 11,95
x = 1,3
x = -2.3
x = -1,3
x = 2,3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
-x : 2,5 + 2,24 = 5,4
x = -7,9
x = 9,7
x = 7,9
x = -9,7
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