把5米长的铁丝平均截成8段，每段是这根铁丝的， 段是这根铁丝的，平均每段是米．
直接写出得数．0.77+0.33= 2÷0.02= 0.23= ÷2÷=×= ÷= 5﹣= 1﹣+=
直接写得数1.2+8= 1.1﹣0.11= ﹣=0÷1= 12.5×8= ×=（+）×24= 1÷×= ：=10.32=
用分数表示下面各个算式的商．4÷5=，7÷5=，5÷7=，4÷3=
直接写出得数．1÷0.25= +1= ×24=+= ﹣= 470×0.02=10÷= 6×0= 3×﹣×3=
直接写出得数．= = = == = = =
， 段是这根铁丝的
，平均每段是
米．
÷2÷
=
×
= 
÷
= 5﹣
= 1﹣
+
=
﹣
=
= 12.5×8= 
×
=
+
）×24= 1÷
×
=1
+1
= 
×24=
+
= 
﹣
= 470×0.02=
= 6
×0= 3×
﹣
= 
= 
= 
=
= 
= 
= 
=
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