直接写出得数．180÷60= 2﹣= 1.75+= +=0÷= 10×10%= 2.5×= ÷=﹣0.4= 1.8×=
填表
4.9：6.3= ：9== ÷72≈ %
= 5== ÷ ．
在横线里填上合适的数：===，== 9÷ ====．
0.7÷5=7： == %．
= 1.75+
= 
+
=
= 
÷
=
﹣0.4= 1.8×
=
= ÷72≈ %
=
=
= ÷ ．
=
=
=
，
=
=
9÷ =
=
=
=
．
= %．
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