
七上正負數加減及乘除運算4
Authored by 黃俊賓 關山國中
Mathematics
7th Grade
Used 3+ times

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28 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 (−593) + 97 + 593 的值。
97
0
−97
593
Answer explanation
計算 (−593) + 97 + 593 時,−593 和 593 相互抵消,剩下 97。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 (−410) + 52 + 410 的值。
52
0
410
−348
Answer explanation
計算 (−410) + 52 + 410 時,−410 和 410 相互抵消,結果為 52。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 476 + [749 + (−476) ] 的值。
749
476
749 + 476
0
Answer explanation
476+749 + (−476)
476+ (−476) +749
=749。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 487 + [489 + (−487) ] 的值。
489
487
489 + 487
0
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 408 + [721 + (−408) ] 的值。
721
408
313
1121
Answer explanation
408+721-408
=408-408+721
=721
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 537 + [859 + (−537) ] 的值。
859
537
322
0
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什麼是 | -13 | - | -25 | + 8 的值?
-4
20
46
30
Answer explanation
計算 | -13 | - | -25 | + 8,首先取絕對值,得到 13 + 25 + 8 = 46。然後,因為有負號,最終結果是 -4。因此,正確答案是 -4。
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