计算并验算：78×3465×5983×41．
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．======
把下列假分数化成带分数或整数，把带分数化成假分数．．
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