
七上正負數的四則運算5
Quiz
•
Mathematics
•
7th Grade
•
Hard
黃俊賓 關山國中
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 (-593) + 97 + 593 的值。
97
0
687
-97
Answer explanation
計算時,(-593) + 593 = 0,然後 0 + 97 = 97。因此,最終結果是 97,正確答案是 97。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 (-410) + 52 + 410 的值。
52
0
872
-52
Answer explanation
計算時,(-410) + 410 = 0,然後再加上52,得到0 + 52 = 52。因此,正確答案是52。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 476 + [749 + (-476)] 的值。
749
476
849
649
Answer explanation
計算 476 + [749 + (-476)] 時,-476 與 476 相抵消,剩下 749。因此,最終結果是 749,正確答案是 749。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 487 + [489 + (-487)] 的值。
489
487
490
488
Answer explanation
計算 487 + [489 + (-487)] 時,內部括號的計算為 489 - 487 = 2,因此整個表達式變為 487 + 2 = 489。正確答案是 489。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 408 + [721 + (-408)] 的值。
721
408
1121
0
Answer explanation
計算 408 + [721 + (-408)] 時,內部括號先計算,721 + (-408) = 313。然後 408 + 313 = 721。因此,正確答案是 721。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
計算 537 + [859 + (-537)] 的值。
859
537
859 + (-537)
0
Answer explanation
計算 537 + [859 + (-537)] 時,括號內的計算 859 + (-537) 等於 322。然後 537 + 322 等於 859,因此正確答案是 859。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
數線上有 A (20)、B (-28)、C (-38.5) 三點,求 線段AB、線段BC 的正確值。
AB = 48, BC = 10.5
AB = 48, BC = 66.5
AB = 48, BC = 58.5
AB = 48, BC = 38.5
Answer explanation
線段AB的長度為 |20 - (-28)| = 48。線段BC的長度為 |-28 - (-38.5)| = 10.5。因此,正確答案是 AB = 48, BC = 10.5。
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