a) 9 × (8 + 3) =
b) (9 × 8) + (9 × 3) =
c) 7 × (9 - 5) =
d) (7 × 9) - (7 ×5) =
b) (9 × 8) + (9 × 3) =
c) 7 × (9 - 5) =
d) (7 × 9) - (7 ×5) =
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Resposta:
a 99
b 99
c 28
d 28
foi o que eu entendi
b) 81+27=108
c) 7x4=28
d)63-35=28