直接写得数：0.25×4= 0.56÷7= 500×0.02= 24÷2.4=0.99+0.1= 7.07÷0.01= 0×0.15= 0.06×100=8.2﹣0.7= 2﹣0.9+0.1=
计算下面各题． ．
= × ==．
口算显身手．×2=×== 12﹣=×= 1×=×0= 3×=×=
口算题．×12=×= 60×=×=
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= × =
=
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×2=
×
=
=
=
×
= 1×
=
×0= 3×
=
×
=
×12=
×
=
=
×
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