简算999乘998分之3
问题描述:
简算999乘998分之3
答
999乘998分之3
=(998+1)* 3/998
=3+3/998
=3又3/998
简算999乘998分之3
999乘998分之3
=(998+1)* 3/998
=3+3/998
=3又3/998