直接写得数.
2.5÷10= 0.56÷14=
63÷0.9= 0.55+0.55×9=
1.6÷0.8= 16÷0.8=
0.8÷0.08= 0.72÷0.12×8=
2.5÷10= 0.56÷14=
63÷0.9= 0.55+0.55×9=
1.6÷0.8= 16÷0.8=
0.8÷0.08= 0.72÷0.12×8=
更新时间:2018-01-08 17:17:16
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【知识点】 口算
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