圆锥的体积第1题答案
⑴ 5 45
⑵ 1∶3
⑶ 7.5 22.5
⑷ 2
圆锥的体积第2题答案
3.14x32x8÷3
=3.14x9x8÷3
=75.36
8÷2=4
3.14x42x15÷3
=3.14x16x15÷3
=251.2
圆锥的体积第3题答案
25.12x3÷3 =25.12
圆锥的体积第4题答案
16÷2=8
3.14x82x21÷3
=3.14x64x21÷3
=1406.72
圆锥的体积第5题答案
4÷2=2
3.14x22x1.5÷3
=3.14x4x1.5÷3
=6.28
圆锥的体积第6题答案
⑴ 15.7÷2÷3.14=2.5
3.14x2.52
=3.14x6.25
=19.625
⑵ 19.625x2.7÷3=17.6625