发布时间:2025-01-31 04:21:10
半径为12.56÷3.14÷2=2m
体积为π×2^2×2=8π 立方米
可以盛稻谷8π×600=4800π≈15079.64千克
把圆柱的底面分成许多相等的扇形然后把它切开拼成一个近似的长方体这个长方体的底面积等于圆柱的
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