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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

七上正負數加減及乘除運算4
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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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