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Question

Evaluate: 238+237+236239+238+237

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Solution

Dear student,


We have,238+237+236239+238+237=23622+21+123722+21+1=2364+2+12374+2+1=236×7237×7=236-37 ...[using aman=am-n]=2-1=12 ...[using a-m=1am]

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