用竖式计算（1）59+20= （2）63+30= （3）77÷40=（4）96÷30= （5）85÷40= （6）78÷20=
把下列假分数化成带分数，把带分数化成假分数． = 3= 2==
把假分数化成带分数或整数．，，．
假分数与带分数互化====
把假分数化成带分数或整数． ===
把下面的假分数化成带分数或整数．======
= 3
= 2
=
=
，
，
．
=
=
=
=
=
=
=
=
=
=
=
=
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