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МатематикаВопрос:
в) 42 ⋅ 42 - 32 ⋅ 42 + 10 ⋅ 42 =
Ответ:
в) 42 ⋅ 42 - 32 ⋅ 42 + 10 ⋅ 42 = 42 ⋅ (42 - 32 + 10) = 42 ⋅ 20 = 840
Ответ: 840
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