文字题（1）260除以13的商，加上4，再乘以5，积是多少？（2）84比一个数的多20，这个数是多少？
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= = = =
多20，这个数是多少？
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= 6=
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= 3
= 2
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