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圓柱形鋼材每截斷一次,截面積多2面,截成三段共需截2次,截面積多4面 故,該圓柱形鋼材的截面積為:24÷4=6(平方分米) 囙此,圓柱形鋼材原來的體積為:V=L*S=16X6=96(立方分米) 答:這根鋼材原來的體積是96立方分米. 希望對你有幫助,謝謝! .
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