4.найди значения x: 56/7 + (x - 15/8) = 81/8; (x - - вопрос №8283234456715881818937184427 от Elfsp1r1t 04.12.2020 00:54

Question

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

Elfsp1r1t · 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...