Question

Resolva as expressões

1- (3).(-4)=

2- (-25):(-5)

3- [-4+(3-5)+1]

4- 11-[-4 -(6-1)-5]

5- -6{+15-[-(+36:6 -(6.6)+3]-12}

Answer 1

Oiii

1-
(3).(-4)= -12

2-
(-25):(-5) = 5

3- [-4+(3-5)+1] = [-4-2+1]  = -5

4- 11-[-4 -(6-1)-5] = 11-[-4 -5-5] = 11 + 14 = 25

5-
-6{+15-[-(+36:6 -(6.6)+3]-12}
-6{+15-[-(+36:6 -(36)+3]-12}
-6{+15-[-(+36:6 -36+3]-12}
-6{+15-[-(6 -36+3]-12}
-6{+15-[-(-27]-12}
-6{+15+27-12}
-6{30}
-180