一个长方形花坛的面积是264.1平方米，宽是9.5米，周长是多少米？
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直接写出得数．== 1﹣=+0.625=== 3﹣=+0.75=
口算：+= 1.52=﹣= 1.8÷2.7=﹣=+= 4+= 3﹣=﹣=﹣=﹣﹣=++=
（1）+= （2）﹣= ．
直接写出得数．========
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= 1﹣
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+0.625=
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= 3﹣
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+0.75=
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﹣
= 1.8÷2.7=
﹣
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= 4+
= 3﹣
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﹣
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﹣
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﹣
﹣
=
+
+
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+
= 
﹣
= ．
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