1.

Simplify: 63-(-3){(-2-8)}÷3{5+(-2)(-1)}​

Answer»

-1540Step-by-step explanation:63-(-3){(-2-8)}÷3{5+(-2)(-1)}=63+3(-10)÷3(5+2)=66(-10)÷3(7)=-660÷3(7)=-220×7= -1540



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