Maths - Positive and Negative 1

Teh Fu Xing
Quiz by , created over 4 years ago

Maths Positive and Negative

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Teh Fu Xing
Created by Teh Fu Xing over 4 years ago
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Question 1

Question
24-37+(-16)-(-25)+(+12)
Answer
  • +8
  • -8
  • 16
  • -16

Question 2

Question
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?
Answer
  • 多出RM5
  • 缺少RM5
  • 多出RM10
  • 缺少RM10

Question 3

Question
正75减23加负48再减负109。请问应该如何写出方程式?
Answer
  • 75-(-23)+(-48)+109
  • 75-23-48+109
  • (-75)+(-23)-48-(-109)
  • (+75)-(+23)-(-48)-(-109)

Question 4

Question
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?
Answer
  • 0米
  • 27米
  • 159米
  • 291米