1條數學題目(10分~~)十萬火急~~急~~

我有錢:
10+(10*30%)
=10+3
=13元

30%轉整數or小數.只要把30的小數點向前2個位=0.3
同樣道理.例:0.1向後2個位=10%
so 10*30% =10*0.3 =3囉

有咩問題可以sd比我email啦...

2008-01-24 21:59:08 補充：
另外.30%=30分之100 10 (10*30/100)=10 (10*0.3)=10 3=13都得

解:10(1+30%)
=10(1+0.3)
=10*1.3
=13

我有錢:
10*(1+30%)
=10*130%
=13(錢)

10+10×30%

=10+3

=13

我有錢13元.

10x(1+30%)

=10x130%

=10x100分之130

=1x13

=13

10(1+30%)
=10(1.3)
=$13

10x(1+0.3)
=10x1.3
=13

我有錢13元.

10x30%+10
=10x30/100+10
=1x30/10+10
=13

10+10x0.3
=10+3
=13(元)