直接写出得数：142﹣69= 0.56÷8= 1.2×=5.4+9= 0.6×0.6= 7÷0.8=5.1÷0.01= 1÷175%= 3﹣﹣=×5×7=
把假分数化成带分数或整数． ①②．
把下面的假分数化成带分数或整数．====
把带分数化成假分数． 2= 3= 1= 4=
数的改写． （1）把下面的分数化成小数，小数化成分数．== 0.28= 0.035= （2）把下列分数中的假分数化成带分数，带分数化成假分数．====
把假分数化成带分数或把带分数化成假分数．====
=
÷0.8=
÷175%= 3
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×5×7=
②
．
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=
=
=
= 3
= 1
= 4
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