分數化百分數

1. 用2除以5再乘100=40%

2. (2+45除以500)*100=209%

3.(3+6除以25)*100=324%

4. 64除以400*100=16%

Done! :-)

5分之2 x100%
=40%

2又500分之45 x100%
=500分之1045x100%
=209%

3又25分之6x100%
=25分之81x100%
=324%

400分之64x100%
=16%

都唔知你想講咩。