Question

Me ajudem nestas contas!!
a)-12+5•(-8)=
b)-75÷(-5)-25
c)10+3•9-30
d)-81÷(-3)-50
e)-7•(-2)-20
f)-57+320÷(-4)
Help Me! 18pts

Answer 1

a)-12+5•(-8)=
-12-40 = -52
b)-75÷(-5)-25
15-25 = -10
c)10+3•9-30
10+27-30 = 37-30 = 7
d)-81÷(-3)-50
27-50 = -23
e)-7•(-2)-20
14 - 20 = -6
f)-57+320÷(-4)
-57 - 80 = -137