橡皮泥的体积:4×4×4,
=16×4,
=64(立方厘米);
圆锥的高:64×3÷12,
=192÷12,
=16(平方厘米);
答:捏成的圆锥的底面积是16平方厘米.
你一定喜欢捏橡皮泥,请你把一块棱长为4厘米的正方体橡皮泥,捏成高为12厘米的圆锥,捏成的圆锥的底面积是多少平方厘米?
你一定喜欢捏橡皮泥,请你把一块棱长为4厘米的正方体橡皮泥,捏成高为12厘米的圆锥,捏成的圆锥的底面积是多少平方厘米?
数学人气:405 ℃时间:2019-10-10 04:08:55
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