Question

Q1. Using suitable rearrangement and find the sum:
a) -5 + 710 + 37 + (-3) + 514 + -45

Answer 1

We can write it as:-

700+10+30+7-3+500+14-50

700+7+3+30+7-3+500+14-50

700+500+10+4-50+7

700+500-50+14+7

1200-50+14+6+1

1150+20+1

1170+1

1171

Answer - 1171

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