Verified answer

Explicação passo-a-passo:

a) 2/3 × 7/8= 14/24

b) 2/5 × 3/6= 6/30

c) - 1/9 × (- 7/8)= + 7/72

d) - 3/10 × ( - 15/9)= + 45/90

e) - 8 × ( - 2/1) =+16

f) 15/10 × ( - 6/5)= - 90/50= - 9/5

Resposta:

a) 14 / 24
B) 6/30
C) 7/72
D) 45/90
E) +16
F) 9/5

Explicação passo a passo:

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