16分之9成8分之11减16分之9程8分之3
=(9/16)(11/8)-(9/16)(3/8)
=(9/16)(11/8-3/8)
=9/16
7分之1x加4=6
x/7+4=6
x/7=2
x=14
{1减5分之1}x =80
{1-1/5}x =80
(4/5)x=80
x=100
x减5分之3x=18
x-3x/5=18
2x/5=18
x=45
16分之9成8分之11减16分之9程8分之3
=(9/16)(11/8)-(9/16)(3/8)
=(9/16)(11/8-3/8)
=9/16
7分之1x加4=6
x/7+4=6
x/7=2
x=14
{1减5分之1}x =80
{1-1/5}x =80
(4/5)x=80
x=100
x减5分之3x=18
x-3x/5=18
2x/5=18
x=45