一个圆柱和一个圆锥的体积和高相等，圆柱的底面周长是6.28米，圆锥的底面积是多少平方米？
直接写得数．===== 75%÷25%===
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直接写出得数．+0.2=+﹣0.2= 5÷=×1.5+3= 3.6×=×1.5=﹣= 1﹣137.5%=
直接写得数﹣=÷9= 1﹣=×=÷=÷=+=×=+=÷=﹣=×=
直接写出得数．+=﹣=×2=×=×=÷4=÷= 12×=÷42=×=×14=÷4=
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= 75%÷25%=
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+0.2=
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﹣0.2= 5÷
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×1.5+3=
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×1.5=
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= 1﹣137.5%=
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÷9= 1﹣
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×
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﹣
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×
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﹣
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×2=
×
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×
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÷4=
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= 12×
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÷42=
×
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×14=
÷4=
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