Решите уравнение 1. 4/15: x=2/5 2. 2/15y+3/4=5/6 - вопрос №7765029141525221534563587125614 от zhazi9494e 29.01.2023 20:42

Question

Математика: Решите уравнение 1. 4/15: x=2/5 2. 2/15y+3/4=5/6 3. 5/8m-7/12m+5/6m=1/4

zhazi9494e · Answer

4/15 : х = 2/5Х= 4/15 : 2/5Х= 4/15 * 5/2Х= 2/32/15у + 3/4 = 5/62/15у = 5/6 - 3/42/15у = 10/12 - 9/122/15у = 1/12У= 1/12 : 2/15У = 1/12 * 15/2У= 15/245/8m - 7/12m+ 5/6m = 1/415/24m - 14/24m + 20/24m = 1/421/24m = 1/4m = 1/4: 21/24m = 1/4 * 24/21m = 6/21...