Nếu e.f=d.b (e, f, d, b khác 0) thì
Lớp 7 Đại số Tỉ lệ thức

Quiz
•
Mathematics
•
7th Grade
•
Medium
Nguyen Sao
Used 8+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
cho x:y=3:4 và x+2y=22
x=6; y=8
x=3; y=4
x=6; y=4
x=3; y=8
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
x:y:z=2:3:4 và x+2y+z=24
x=2; y=6; z=8
z=4; y=6; z=8
x=4; y=3; z=4
x=4; y=4; z=6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a:b:c=2:3:4 khi đó
a:b:c=4:6:8
a:b:c=4:6:10
a:b:c=8:6:8
a:b:c=4:12:8
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
a:b=2:3; b:c=4:5, khi đó
a:b:c=10:12:15
a:b:c=8:10:15
a:b:c=8:12:15
a:b:c=8:12:14
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số vô tỉ là số
Thập phân hữu hạn
Thập phân vô hạn
Thập phân vô hạn tuần hoàn
Thập phân vô hạn không tuần hoàn
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
làm tròn số 5, 467 đến hai chữ số sau dấu phẩy sẽ là
5, 47
5, 46
5, 50
5,4
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