Teh Fu Xing
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Maths Positive and Negative

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Teh Fu Xing
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Maths - Positive and Negative 1

Question 1 of 4

1

24-37+(-16)-(-25)+(+12)

Select one of the following:

  • +8

  • -8

  • 16

  • -16

Explanation

Question 2 of 4

1

小明有5块钱，爸爸给了他18块做奖励，于是他用此钱去买3本各售价RM2.00的笔。后来他再想起欠小华RM12还没还。请问小明剩下多少钱？

Select one of the following:

  • 多出RM5

  • 缺少RM5

  • 多出RM10

  • 缺少RM10

Explanation

Question 3 of 4

1

正75减23加负48再减负109。请问应该如何写出方程式？

Select one of the following:

  • 75-（-23）+（-48）+109

  • 75-23-48+109

  • （-75）+（-23）-48-（-109）

  • （+75）-（+23）-（-48）-（-109）

Explanation

Question 4 of 4

1

潜水艇在海平线下132米。为了探索海底生物再下沉254米。之后又在上升95米。请问还差多少米就可以到达海面？

Select one of the following:

  • 0米

  • 27米

  • 159米

  • 291米

Explanation

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