Bình nói: “a + b = b + a”. Đúng hay sai?
Bài 24: Tính chất giao hoán và kết hợp của phép cộng

Quiz
•
Mathematics
•
•
Medium
Nga Lê
Used 71+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Đúng
Sai
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Tí nói “4824 + 3579 = 3579 + 4824”. Đúng hay sai?
Sai
Đúng
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho 246 + 388 = 634
Vậy 388 + 246 =...
Số cần điền là:
246
388
634
624
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Cho biểu thức: 375 +28. Biểu thức nào sau đây có giá trị bằng biểu thức đã cho?
A. 28 + 377
B. 28 + 375
C. 28 + 370
D. 28 + 357
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
5269 + 2017 ... 2017 + 5962
Dấu cần điền là:
A. <
B. >
C. =
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số cần điền là:
161291 + ... = (6000+725) + 161291
725
6000
161291
6725
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Số cần điền vào chỗ trống:
123 + 999 + 472 = 472 + 123 +...
472
123
999
243
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