口算．
3.6×7= 2.27﹣0.7= 0.35×2÷0.35×2=
2.2+8.8= 0.3÷2= 1+0.9÷0.1=
8.1÷9= 0.08÷0.2= 1+0.15÷3=
相关试题
= 0.25×12=
= 
= 4.8÷0.1=
= 
=直接写出得数．
0.83+0.27= 2.9×100= 50÷1000=
×10=0.7 80÷ =0.8 
+
=
5.6+4= 0.13×1000= 
﹣0.35=
口算．
3.6×7= 2.27﹣0.7= 0.35×2÷0.35×2=
2.2+8.8= 0.3÷2= 1+0.9÷0.1=
8.1÷9= 0.08÷0.2= 1+0.15÷3=
直接写出得数．
0.83+0.27= 2.9×100= 50÷1000=
×10=0.7 80÷ =0.8 +=
5.6+4= 0.13×1000= ﹣0.35=
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