一块面积为5公顷的长方形植物园，长500米，宽应该是多少米？
直接写得数．========
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+=+=﹣=+=++=+﹣=﹣﹣=﹣+=
直接写出结果．+=×10%= 3.6÷12= 80%×80%=×4÷×4= 15÷1%=﹣+﹣=
直接写出得数．+=（+﹣）×21= 2.5×9×4= 0.125×0.25×32= 0.16÷0.4= 3.24﹣0.84﹣1.16=
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×10%= 3.6÷12= 80%×80%=
×4÷
×4= 15÷1%=
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