20-(4.5-4分之1/25﹪)
=20-(4.5-1)
=20-3.5
=16.5
72*(9分之5*4分之3-18分之5)
=72*(5/12-5/18)
=72*(5/36)
=10
4分之3*0.35+35﹪*1.65
=0.35*(3/4+1.65)
=0.35*2.4
=0.84
20-(4.5-4分之1/25﹪)
=20-(4.5-1)
=20-3.5
=16.5
72*(9分之5*4分之3-18分之5)
=72*(5/12-5/18)
=72*(5/36)
=10
4分之3*0.35+35﹪*1.65
=0.35*(3/4+1.65)
=0.35*2.4
=0.84