1) 7/12x-0,5=1,25 2) 5/6x-4,15=2,1 3) 2,7+2/9y=4,3 - вопрос №5881349171205125256415213272943 от fairytailguil 01.09.2021 19:44

Question

Математика: 1) 7/12x-0,5=1,25 2) 5/6x-4,15=2,1 3) 2,7+2/9y=4,3

fairytailguil · Answer

7/12х=1,25+0,57/12х=1,7512х=7/1,7512х=4х=4/12=1/35/6х - 4,15 = 2,15/6х = 2,1 + 4,155/6х = 6,25х = 6,25 : 5 * 6х = 7,52,7 + 2/9y = 4.32/9y = 4,3 - 2,72/9y = 1,6y = 1,6 : 2/9y = 7,2...