Question

Repede,va rog!!15p+coronita!!
Calculati:
a)[-7+(-4+11)] x [5-(6+7)]=
b)-18-2-{15-4-[10-(8-5)+(-3+9)]}=

Answer 1

a)[-7+(-4+11)] x [5-(6+7)]=(-7+7)x(5-13)=0 x -8=0

b)-18-2-{15-4-[10-(8-5)+(-3+9)]}=-20-[11-(10-3+6)]=-20-(11-13)=
-20-(-2)=-20+2=-18

Answer 2

a) 0
b) =  -18
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