Question

calcule termo desconhrcido.
a)*.5=85 ??
b) *:12=13 ??
c) *.15=180 ??
d) *:32=4??
e)*+135=321??
f)*-456=136??
para agora pfvr !!!!

Answer 1

a)*.5=85 ??
x=85/5
x=17


b) *:12=13 ??
x=13×12
x=156


c) *.15=180 ??
x=180/15
x=12


d) *:32=4??
x=4×32
x=128


e)*+135=321??
x=321-135
x=186


f)*-456=136??
x=136+456
x=592