Question

1 RESOLVA AS EXPRESSÃO
A) 3+5-[-3.3+5+4-10(9.3)+10]=
B)1-[7-8+(3.4-3):3]=
C)3.5:3-2(-3-6:2)=

Answer 1

A) 8-(-9-1.27+10) = 8-(-27+10) = 8+17 = 25

B) 1-[-1(12-3):3] = 1-(-1.3) = 4

C) 15:1(-9:2) = 15:(-9:2) = 15.(-2:9) = - 30:9