直接写出得数0.25= 1.6+4= == 8÷0.2= == = =25×4×0×125=
计算下面各题，并且验算． 0.26+12.57= 8.02﹣5.62= 8﹣3.06=
3.8+24.6 35.12+4.44 12.34﹣2.9 8.7+5.1 46.76﹣5.13 13.47+20.62 9.13+16.5 24.16﹣7.2．
在蘑菇里填上适当的数．
把下面各数改写成小数后再计算．++﹣++﹣．
填写下表．
= 1.6+4= 
=
= 8÷0.2= 
=
= 
= 
=
+
+
﹣
+
+
﹣
．
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