1.25 * 0.3x = 1.35 * 0.4
125 * 3x = 135 * 4
25 * 3x = 27 * 4
25x = 9*4 = 36
x = 36/25
1,25:0,4=1,35:(0,3х)
1,35:(0,3х)=3,125
0,3*х=1,35:3,125
0,3*х=0,432
х=0,432:0,3
х=1,44
1,25:0,4=1,35:(0,3*1,44)
3,125=3,125
ответ:х=1,44
1.25 * 0.3x = 1.35 * 0.4
125 * 3x = 135 * 4
25 * 3x = 27 * 4
25x = 9*4 = 36
x = 36/25
1,25:0,4=1,35:(0,3х)
1,35:(0,3х)=3,125
0,3*х=1,35:3,125
0,3*х=0,432
х=0,432:0,3
х=1,44
1,25:0,4=1,35:(0,3*1,44)
3,125=3,125
ответ:х=1,44