一个圆柱的高是8厘米，侧面积是251.2平方厘米，它的体积是多少？
直接写出得数．×40== 25×==== 1﹣50%=÷==×=
直接写得数．×=÷2=×14= 10×=×2=×=÷=÷=
直接写出得数×10=+= 52×= 9÷=÷= 11﹣= 0÷×=﹣+= 1÷9×=
直接写出得数．=========================
直接填得数×=×= 16×=÷= 1÷=÷= 9÷=÷33= 1﹣25%= 75%+0.25=÷=﹣=
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×40=
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