
Ôn tập ba bài toán cơ bản về phân số
Quiz
•
Mathematics
•
7th Grade
•
Medium
Hương Lưu Thị Lan
Used 2+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muốn tìm của số b ta tính cho trước ta tính
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Lan có 45 cái kẹo. Lan cho Mai số kẹo đó. Hỏi Lan cho Mai bao nhiêu cái kẹo
75 cái kẹo.
25 cái kẹo.
27 cái kẹo.
20 cái kẹo.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Muốn tìm một số biết của nó bằng a, ta tính
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biết số quyển vở Lan có là 20 quyển. Hỏi Lan có bao nhiêu quyển vở?
8 quyển vở.
25 quyển vở.
45 quyển vở.
50 quyển vở.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tỉ số phần trăm của hai số a và b ta tính theo công thức:
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
của 12 bằng
18
9
8
6
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
của một số bằng 20. Số đó bằng
16
25
24
30
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