

Toán lớp 4
Flashcard
•
4th Grade
•
Practice Problem
•
Hard
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22 questions
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1.
FLASHCARD QUESTION
Front
Kết quả của phép nhân: 837 x 100 là:
Back
83700
2.
FLASHCARD QUESTION
Front
Số thích hợp để điền vào chỗ chấm của 6m2 25cm2 = .... cm2 là:
Back
60025
3.
FLASHCARD QUESTION
Front
10dm22cm2 =.........cm2
Back
1002
4.
FLASHCARD QUESTION
Front
2110m2 = ...........dm2
Back
211000
5.
FLASHCARD QUESTION
Front
Để lát nền căn phòng có diện tích 100m2 thì cần bao nhiêu viên gạch hình vuông có cạnh 2dm?
Back
2500 viên
6.
FLASHCARD QUESTION
Front
Một mảnh đất có chu vi là 400m, chiều dài hơn chiều rộng 100m. Tính diện tích của mảnh đất đó.
Back
7500m²
7.
FLASHCARD QUESTION
Front
Trung bình cộng của hai số là 45. Một trong hai số là 25. Tìm số còn lại.
Back
65
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