Question

3. Resolva as expressões abaixo:
10 +8:2-3x 2 =
32:3+ 5 (4.2 +8-5) =
18 .5 +5=
32.39 + 62:62 =​

Answer 1

Resposta:

10+8:2-3x2=

10+4-3x2

10+4-6

=8

32:3+5(4.2+8-5)

=32:3+5(8+8-5)

32:3+5.11

=10,7+55

=65,7

18.5+5=90+5

=100

32.39+62:62

=1248+1

=1249