用竖式计算：（带*题要验算） *52×37 682÷6 36×45 *416÷4 90×56 326÷8．
将假分数化成带分数或整数，把带分数化成假分数．======= 6=
把下列的假分数化成带分数或整数． ===
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====
=
=
=
=
=
=
= 6=
=
=
=
= 3
= 2
=
=
，
，
．
=
=
=
=
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