4.найди значения x: 56/7 + (x - 15/8) = 81/8; - вопрос №8282332456715881818937184427 от izeddin2002 10.06.2020 12:16

Question

Математика: 4.найди значения x: 56/7 + (x - 15/8) = 81/8; (x - 18/9) + 37/18=44/27

izeddin2002 · Answer

56/7+х-15/8=81/8х=81/8+15/8-56/7х=96/8=56/7х=672/56-448/56х=224/56х=112/28х=56/14х=4х-18/9+37/18=44/27х-36/18+37/18=44/27х+1/18=44/27х=44/27-1/18х=88/54-3/54х=85/54...