Question

Resolva as expressões:
a) 9:{[-3.(11-8)+6]-6}=
b)-5+[-3.(-4)]-[-10.(-2)]=

Answer 1

a) 9 : {[-3.(11 - 8) + 6] -6}

9 : {[-3.3 + 6] -6}

9 : {[-9 + 6] -6}

9 : {-3 - 6}

9 : -9 = -1


b) -5 + [-3.(-4)] - [-10.(-2)]=

-5 + [ 12 ] - [ 20 ]=

-5 + 12 - 20 =

-7 - 20 = -27

Answer 2

a)9:{[-3.3+6]-6}
9:{[-9+6]-6}
9:{[-3]-6}
9:{-9}
-1