Question

calcule essas expressões:
(9+2).(-3)=


(-4-1).5-2=



-12+2.[(5-2.3)+7]

Answer 1

(9+2).(-3)= 11 . (-3)= -33
(-4-1).5-2= -5.5-2 = -25-2= -27
-12+2.[(5-2.3)+7]= -12+2.[-1+7]= -12+2.6=-12+12=0