Автор - sabdamzhi

Позязя номер 427 очень нада

Ответ

Автор - albina23360
1) = 4а+4×2=4a+8
2) = 3m-3×5= 3m-15
3) = 9p-9q
4) = 12a+12b
5) = 5×2m-5= 10m-5
6) = 3c×14+5d×14=42c+70d

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