Question

5. Resolva as expressões numéricas: a) (4 x 7 + 12): (3 x 5 + 5) =
b) 15+[(3x6-2)-(10-6:2)+1]=
c) 50-{40-3x[5-(10-7)]}=
d) 20- (8 x 2 + 4) :(15 :5 +1)=
e) 5x(20 +2 -15) -(7×8-30)=
f)38+[7x(6+3)-(17×3)]=
g)[16+(2+(5×3)-(21:7+10)]=
h)120:[3×15+(2×7+1)=
i)80-[22 +(5×2-1)+6]=
j)67-{50-[70:(27+8)+18:2]+21}=​

Answer 1

responder:

a) 2

) (4 x 7 + 12): (3 x 5 + 5) =

Answer 2

Resposta:

A= 2

B= 25

C= 16

D= 15

E= 9

F= 50

G= 20

H= 2

I= 43

J= 7

espero ter ajudado!!