Question

using appropriate properties find.

Answer 1

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Answer 2

-2/3×3/5-3/5×1/6+5/2
= -3/5(2/3+1/6)+5/2
= -3/5(4+1/6)+5/2
= -3/5×5/6+5/2
= -3/6+5/2
= -3+15/6
= 12/6
= 2

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