Контрольные задания > Упростите выражение: a) 45 ⋅ m ⋅ 2; б) x ⋅ 14 ⋅ 10.
Вопрос:

Упростите выражение: a) 45 ⋅ m ⋅ 2; б) x ⋅ 14 ⋅ 10.

Ответ:

  1. a) 45 ⋅ m ⋅ 2 = (45 ⋅ 2) ⋅ m = 90 ⋅ m = 90m
  2. б) x ⋅ 14 ⋅ 10 = x ⋅ (14 ⋅ 10) = x ⋅ 140 = 140x

Ответ: a) 90m; б) 140x

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