Question

resolva aplicando a propriedade distributiva

a) -6×(-4-7+8)

b) (+3)×(+6-5)

c) -2×(-1+10-9)
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Answer 1

a)

= -6 × (-4) - 6 × (-6) - 6 × 8

= 24 + 36 - 48

= 12

b)

= 3 × 6 + 3 × (-5)

= 18 - 15

= 3

c)

= -2 × (-1) - 2 × 10 - 2 × (-9)

= 2 - 20 + 18

= 0