27. Выполните действия.
a) −14 × (−2) + (−8)
c) 45 × (−4) – 28 × (−4)
e) −42 × (+3) + (−21 × (−3))
b) +63 – (−4 × (–3))
d) −12 × (−4) – (−14 × (−6))
f) 13 × (−6) – 32 × (−3)
ДАЮ 32 БАЛЛА
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