Question

решить уровнение 1.25:0.4=1.35:(0.3х)

Answer 1

1.25/0.4=3.125
1.35*3.125=4.21875/0.3=14.0625

Answer 2

1.25:0.4=1.35:(0.3х)
3,125=1,35:(0,3x)
1,35:3,125=0,3x
0,432=0,3x
x=0,432:0,3
x=1,44