直接写出计算结果．×=÷2= 12×= 3÷=﹣×=÷=×14= 1﹣×= 6×÷=÷=
口算．×3= 0÷= 0.5+=×= 8+=÷= 2﹣﹣= 16.5+4.7=÷3÷= 5.6×=
直接写出得数：×= 15÷1%= 0.52= 3.14×6= 0.25×8=÷= 0.375×=×3÷×3=
21÷÷ 24÷．
直接写出得数． 14×= 9÷=﹣=+=×75%= 1÷×=（62.5%﹣）÷2= 1﹣（+）=
×
=
÷2= 12×
= 3÷
=
﹣
×
=
÷
=
×14= 1﹣
×
= 6×
=
÷
=
×3= 0÷
= 0.5+
=
×
=
=
÷
= 2﹣
﹣
= 16.5+4.7=
÷3÷
=
×
= 15÷1%= 0.52= 3.14×6=
÷
= 0.375×
=
×3÷
21÷
÷
24÷
．
= 9÷
=
﹣
=
+
=
×75%= 1÷
×
）÷2= 1﹣（
+
）=
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