Question

a)20:2-7
b) -8 + 12: 3 =
c) 6 : (-2) +1 =
d) 8:(-4) - (-7) =
e) (-15):(-3)+7
​

Answer 1

Resposta:

a-2-7=5:20=4

b- -8+12=4:3=1,3

c- -2+1=-1:6=0,16

d- -4--7=-11:8=1,375

e- sei n