Question

1° responda as expressões numericas

a) 13+17-20=
b) 50-18+15-7=
c) (3×8)×5=
d) 9×(5+2)=
e) (8×4)+(2×7)-(4.5)+2=

alguem me ajuda porfavoor​

Answer 1

a) 13 + 17 - 20

30 - 20

10

b) 50 - 18 + 15 - 7

32 + 15 - 7

47 - 7

40

c) (3 × 8) × 5

24 × 5

120

d) 9 × (5 + 2)

9 × 7

56