数学活动课上,相老师给同学出了这样一道题目:把一个长24厘米、宽16厘米、高12厘米的长方体木块削成一个最大的圆锥体,圆锥体的体积是多少立方厘米?相老师先让同学们独立思考,然后在小组内讨论交流。随后各个小组争相汇报展示组内交流的成果。先锋组代表马铭悦抢先发言:“我们认为有三种不同的削法,第一种是底面直径16厘米,高12厘米;第二种是底面直径12厘 In the math class, the teacher gave the classmates a question: cut a rectangular block of 24 cm long, 16 cm wide and 12 cm high into one of the largest cones, the volume of which is cubic centimeter The teacher first asked the students to think independently and then discuss the exchange within the group. Subsequent groups competed to report the results of the exchange within the group. Pioneer representatives Ma Mingyue first spoke: ”We think there are three different ways, the first is the bottom diameter of 16 cm, 12 cm high; the second is the bottom diameter of 12 PCT