如图所示，正方形的边长为厘米，长方形的长为厘米，那么长方形的宽为几厘米？
直接写出得数．×=××=÷3= 12×=+﹣+= 20÷= 18÷÷=×= 0×=×÷×=
口算 56×= 2﹣=+= 6×= 0.25×4= 57×=÷= 1÷= 21÷=÷= 1÷= 0÷=
计算下面各题．×21×÷5×÷÷÷÷24×÷8．
计算．×9=×0= 0÷=÷= 12×=×=÷=÷=
直接写得数×=÷5=×12=×=÷=÷=×= 1÷== 45×=÷2=÷=×=÷=×0=×= 1﹣=÷=×= 15÷=
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的边长为
厘米，长方形
的长
为
厘米，那么长方形的宽为几厘米？
×
=
×
×
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÷3= 12×
=
+
﹣
+
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= 18÷
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= 0×
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+
= 6×
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= 21÷
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