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Sagot :
#1
- Successor of -5=-4
- Predecessor of 6=5
[tex]\\ \tt\hookrightarrow -4+5=1[/tex]
#2
- Let one be x and other be x-1
[tex]\\ \tt\hookrightarrow a-b=x-x+1=+1[/tex]
#3
[tex]\\ \tt\hookrightarrow 42-66-(100-24)[/tex]
[tex]\\ \tt\hookrightarrow -24-76[/tex]
[tex]\\ \tt\hookrightarrow -100[/tex]
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Step by Step Solution for Part-1:
We know that:
- The successor of a number defines one to be added to a number
- The predecessor of a number defines one being subtracted to a number
Solution:
- ⇒ (-5 + 1) + (6 - 1)
- ⇒ (-4) + (5)
- ⇒ 1
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Step by Step Solution for Part-2:
We know that:
- b - 1 = a
- To solve: a - b
Solution:
- ⇒ a - b
- ⇒ (b - 1) - b
- ⇒ (-b + 1) + b
- ⇒ -b + 1 + b
- ⇒ 1
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Step by Step Solution for Part-3:
- (42 - 66) - (100 - 24)
- => (-24) - (76)
- => -100
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