5.8除以99简便方法
解,得 ：
5.8÷99
==(29/5)*(1/99)
==29/495有其他的方法吗5.8÷99解，得：==(5+0.8)/99==5/99+(0.8/99)==(5/99)+(4/5)*(1/99)==(5/99)+[4/(5*99)]==[(5*5)/(5*99)])+[4/(5*99)]==(25/495)+(4/495)==29/495 5.8÷99解，得：==(5+0.8)/99==(5/99)+(0.8/99)==(5/99)+(8/990)==(5/99)+(4/495)==(25/495)+(4/495)==29/495 5.8÷99解，得：==（6-0.2）/99==(6/99)-(0.2/99)==(2/33)-(2/990)==(2/33)-(1/495)==(30/495)-(1/495)==29/495