ответ: (3,55+x):0,4=11,2
(71/20 + x) : 2/5 = 56/5
(70/20 + x) * 5/2 = 56/5
71/8 + 5/2x = 56/5
355+100x= -355
100x = 448-355
100x = 93
x = 93 : 100
x = 0,93
ответ: (3,55+x):0,4=11,2
(71/20 + x) : 2/5 = 56/5
(70/20 + x) * 5/2 = 56/5
71/8 + 5/2x = 56/5
355+100x= -355
100x = 448-355
100x = 93
x = 93 : 100
x = 0,93