3.5÷0.7= 1﹣﹣= ++=+= 7÷8= 3.06×100=3.4+1.6= 4.3﹣0.8= ﹣=
列竖式计算（带﹡的题要验算）①7.83+1.67=9.50 ②﹡7.2﹣3.85=3.35．
把下面的分数化成小数，小数化成分数 = = 0.6= 2.4=
列竖式计算．（带☆的写验算） 2.4+0.65= 21×43= ☆564÷8= 10.3﹣0.7= 728÷7= 89×46=
计算并验算．23.66+6.34 60﹣37.56．
①63.4+18.2= ②40.8﹣8.4= ★③36×22=④89×57= ⑤315÷3= ★⑥566÷8=
﹣
= 
+
+
=
+
= 7÷8= 3.06×100=
﹣
=
= 
= 0.6= 2.4=
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