甲乙两个圆柱，底半径比是2：3，高的比是4：5，它们的体积比是多少？
+ + + ．
递等式计算+= +=﹣= ﹣=1﹣= +﹣=1﹣+．
直接写出得数．= = == = 1﹣=
．
25×8=8.5﹣3.7=0.56÷0.07=4×9.2×0.25======
+
+
+
．
+
= 
+
=
﹣
﹣
=
= 
+
﹣
=
+
．
= 
= 
=
= 
= 1﹣
=
．
=
=
=
=
=
粤公网安备 44130202000953号