Номер 272.
Упростите выражение, используя степени: а) 2 ⋅ 2 ⋅ 2 ⋅ 5; б) 13 ⋅ 6 ⋅ 6 ⋅ 6 ⋅ 6; в) (2 ⋅ 5) ⋅ (2 ⋅ 5) ⋅ (2 ⋅ 5); г) 7 ⋅ 7 ⋅ 7 ⋅ 2 ⋅ 2 ⋅ 2 ⋅ 2.
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