(x+11.8):9.6=16:12
12*(x+11.8)=9.6*16
x+11.8=0.8*16
x=12.8-11.8
x=1
2.x-2分之8.4=10/16.8
10*(x-2)=8.4*16.8
x-2=14.112
x=16.112
3. 61/4:(x/2)=1/3:1
( 61/4) *1=(x/2)*(1/3)
61/4=x/6
4x=6*61
x=91.5
(x+11.8):9.6=16:12
12*(x+11.8)=9.6*16
x+11.8=0.8*16
x=12.8-11.8
x=1
2.x-2分之8.4=10/16.8
10*(x-2)=8.4*16.8
x-2=14.112
x=16.112
3. 61/4:(x/2)=1/3:1
( 61/4) *1=(x/2)*(1/3)
61/4=x/6
4x=6*61
x=91.5