Question

maths rational number chapter 1 exercise 1A​

Answer 1

Exercise – 1.1

Using appropriate properties find the value of −23×35+52−35×16

Sol.   −23×35+52−35×16 – −23×35−35×16+52

=−35(23+16)+52

=−35(4+16)+52

=−35(56)+52

=−1530+52

=−12+52

=42

=2  therefore−23×35+52−35×16 =2

Answer 2

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