Question

1) Resolva
a) +12-16+20=
b) -16-17-12+4=
c) -12+(+)8-20)-12=
d) +100-12+(-120+142)-12=
2) Calcule
a) -12×(-12)=
b) +125÷(+25)=
c) -100×(+2)=
d) -7×(-2)×(-3)=

Me ajudem pfvr

Answer 1

Resposta:

1.

a) 16

b)41

c)12

d)98

2.

a)144

b)5

c)200

d)42

NAO TENHO SERTEZA

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