Question

Resolva as expressões numéricas abaixo:
a) (100:4) - 15+ (81:9) - 4 =
b) (25:5)+ (81:9) - 6 =​
c) (95-70)-(4×8)=
d) 106+(6×5)-(8×9)=

Answer 1

a) (100:4) - 15+ (81:9) - 4 =

25 - 15+ (81:9) - 4 =

25 - 15+ (81:9) - 4 =

10+9 - 4=

19-4=15

b) 5+ (81:9) - 6 =​

5+9-6=

14-6=8

c) 25-(4×8)=

25-32=7

d) 106+30-(8×9)=

106+30-72=

136-72=64