Q. Simplify the following expressions in step by step.1. {(220-140)+[1 – InterviewSolution

1.

Q. Simplify the following expressions in step by step.1. {(220-140)+[10×9+(-2×5)]}-100

Answer»

EXPLAIN:{(220-140)+[10×9+(-2×5)]}-100

{80+[90+(-10)]}-100

{80+[90-10]}-100

{80+80}-100

160-100

=60

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