Question

1. 12+3 (-6+2[ 5-4(3-2) +5(7-8)]-5}


-2(-7+11)-5-(-2+(-3+5)-[4-(2+3)]] 9.


10. -11 +7-2{-4+1-[-2(-3+4)-2+4+7-8]-4}
Paso a paso ayuda... ​

Answer 1

Respuesta:

1. 12+3 (-6+2[ 5-4(3-2) +5(7-8)]-5}=

15×[-4×1+5×(-1)]-5=

15×(-4-5)-5=

15×(-9)-5=

-135-5=

-140

9. -2(-7+11)-5-(-2+(-3+5)-[4-(2+3)]]=

-2×4-5-[-2+2-(4-5)]=

-8-5-(0-1)=

-13-1=

-14

10. -11 +7-2{-4+1-[-2(-3+4)-2+4+7-8]-4}=

-6×[-3-(-2+1)+1]-4=

-6×(-3+1+1)-4=

-6×(-1)-4=

6-4=

2

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