列式计算．（1）比247多33的数是多少？（2）一道式子中，被除数是30，除数是7，商是多少？余数是多少？（3）8的8倍是多少？（4）48是6的多少倍？
直接写得数． 8.0﹣2.57= 57+23= 25×4%= 3= 1÷= 12×（）= 9.8÷0.7=×9÷×9=×0= 1.5+0.1=
直接写出得数==== 8.8×1.25====
直接写出得数： 142﹣69= 4﹣3= 3﹣﹣= （+）×16=
直接写出得数．= 50÷50%= 0.25×0×4=== 9.7﹣6.8= 100×0.22====
直接写出结果．==========
= 1÷
=
）= 9.8÷0.7=
×9÷
×0= 1.5+0.1=
=
=
=
=
=
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=
﹣3
=
﹣
﹣
=
+
）×16=
= 50÷50%=
=
=
= 9.7﹣6.8=
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