被除数、除数、商和余数的和是53，已知商是7，余数是3，被除数是 ．
1======．
认真填：
把假分数化成带分数或整数，带分数化成假分数 7= ；= ；= ．
把下面的分数约分，是假分数的化成整数或带分数．= = = = ．
假分数与带分数的互化． 3= = = ．
=
=
=
=
=
．
= ；
= ；
= ．
= 
= 
= 
= ．
= 
= 
= ．
粤公网安备 44130202000953号