-17•(-4)= 17•(-3)= -3.9•(-4.7)= Решите!!!! Пожалуйста!!!

-17•(-4)=
17•(-3)=
-3.9•(-4.7)=
Решите!!!! Пожалуйста!!!
- Предмет:
  Математика
- Автор:
  roxannetiq5
- 6 лет назад

Ответы 2

-17•(-4)=17•4=6817•(-3)=-51-3.9•(-4.7)=3.9•4.7=18.33Удачи в математике!
- Автор:
  georgehunter
- 6 лет назад
- 0
Решение:1) -17·(- 4) = + (17·4) = 68. (Число отрицательных множителей чётное)2) 17· (- 3) = - (17·3) = - 51. (Число отрицательных множителей нечётное)3) - 3,9 · ( - 4,7) = + (3,9·4,7) = 18,33. (Число отрицательных множителей чётное)
- Автор:
  ben
- 6 лет назад
- 0
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-17•(-4)= 17•(-3)= -3.9•(-4.7)= Решите!!!! Пожалуйста!!!

Ответы 2

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-17•(-4)=
17•(-3)=
-3.9•(-4.7)=
Решите!!!! Пожалуйста!!!