Question

1)Calcule o valor das expressoes numericas

A)45-(4x[(9x12-14x7):(15-5x2)]}=
B)20:4+3X2-15X3=
c)[25-(18:3)]x{5-[18-(4x5-4)]}=
D){38-[(143:11+7)-5x2]}:6
E)2x[(5-2)x(3+2x7)]-2
F)(8+6x8:4)+[3+15:5+5]
G)25:5+(8+3x10:2)+(4x3-14:7)=
H){[12-5x2+(24:3-7{+5}=
I)(32-8:4)+(45:9+8)-6=

Answer 1

a resposta da letra a é 25 eu acho!!