решите уравнение ( х : 3,4 - 2,6 ) : 5,7 = 2,28

x:3,4-2,6=2,28*5,7x:3,4-2,6=12,966x:3,4=12,966+2,6x:3,4=15,596x=15,596*3,4=53,0264

х:3,4-2,6=2,28*5,7х:3,4-2,6=12,996х:3,4=12,996+2,6х:3,4=15,596х=15,596*3,4х=53,0264-------------------------------------------------(53,0264:3,4-2,6):5,7=2,28(15,596-2,6):5,7=2,2812,996:5,7=2,282,28=2,28