12.56÷3.14÷2,
=4÷2,
=2(厘米);
3.14×22×100,
=3.14×4×100,
=3.14×400,
=1256(立方厘米).
答:它的体积是1256立方厘米.
一根圆柱形铁棒,底面周长是12.56厘米,长是100厘米,它的体积是多少立方厘米?
一根圆柱形铁棒,底面周长是12.56厘米,长是100厘米,它的体积是多少立方厘米?
数学人气:872 ℃时间:2019-12-13 23:42:14
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