Question

решите пж дам 30 баллов 1)5/6×x=1 2)1 7/9×x=1 3)x×1/9=1​

Answer 1

1) 5/6•x•12=
x=6/5•5/6•6/5•11
x=1/5•5x=6/5•12
x=6/5•12
x=72/5
x=14 2/5

2) 1 7/9•x=13
16/9x=13
x=117/16
x=7 5/16

3)x•1/9=1
1/9•x=1
x=9