Toán_Ki-lô-mét vuông
Quiz
•
Mathematics
•
4th Grade
•
Practice Problem
•
Medium
Dung Kim
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Mỗi đơn vị đo diện tích liên tiếp, hơn kém nhau bao nhiêu đơn vị?
1
10
100
1000
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
2m2 = .... dm2
20
200
2000
20000
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
47km2 = ... m2
47 000 000
47 000
4 700 000
4700
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Khi đổi đơn vị đo diện tích từ đơn vị bé sang đơn bị lớn hơn liền kề, chúng ta phải:
thêm một số 0
thêm hai số 0
bớt đi một số 0
bớt đi hai số 0
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
12m2 45dm2 = ..... dm2
1245
120045
1200
124500
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Một khu rừng hình chữ nhật có chiều dài 4km và chiều rộng 2km. Hỏi khu rừng đó có diện tích là bao nhiêu?
8km
8km2
8cm2
8dm2
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
47km2 800m2 = ..... m2
470800
47800
47 000 000
47 000 800
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