Вопрос:

Вычисли устно и запиши только ответы: 1) 2 ⋅ (-7) = 2) -5 ⋅ (-8) = 3) -2 ⋅ 9 = 4) 3 ⋅ 6 = 5) 9 ⋅ (-1) = 6) -1 ⋅ 14 = 7) -16 ⋅ 1 = 8) 1 ⋅ (-17) = 9) -11 ⋅ 0 = 10) 0 ⋅ (-12) = 11) (-4)² = 12) (-3)³ =

Ответ:

1) 2 ⋅ (-7) = -14 2) -5 ⋅ (-8) = 40 3) -2 ⋅ 9 = -18 4) 3 ⋅ 6 = 18 5) 9 ⋅ (-1) = -9 6) -1 ⋅ 14 = -14 7) -16 ⋅ 1 = -16 8) 1 ⋅ (-17) = -17 9) -11 ⋅ 0 = 0 10) 0 ⋅ (-12) = 0 11) (-4)² = (-4) * (-4) = 16 12) (-3)³ = (-3) * (-3) * (-3) = -27
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