有谁知道六年级下册数学书上练习二的答案啊?

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有谁知道六年级下册数学书上练习二的答案啊?有谁知道六年级下册数学书上练习二的答案啊?有谁知道六年级下册数学书上练习二的答案啊?1.自己标2.一和四3.长方体正方体圆柱4.第一个5.(1)1.6/0.7

有谁知道六年级下册数学书上练习二的答案啊?
有谁知道六年级下册数学书上练习二的答案啊?

有谁知道六年级下册数学书上练习二的答案啊?
1.自己标
2.一和四
3.长方体 正方体 圆柱
4.第一个
5.(1)1.6/0.7=1.12 (2)2/3.14/3.2/5=100.48
6.(1)3.14/12/16+3014/(12*2)²/2=828.96
(2)3.14/5/20+3014/(5*2)²/2=353.25
(3)3.14/18/15+3.14/(18*2)²/2=1356.48
7.3.14/1.2/2=7.536
8.3.14/1.5/2.5=11.775
9.3.14/3/2=18.84 3.14/(3*2)²=7.065 18.84+7.065=25.905
10.3.14/8/13+3.14/(18*2)²=376.8
11.一三 二一 三二
12.自己量
13.(1)(10/10+10/15+10/15)/2=800
(2)6/6/6=216
(3)2/3.14/5/2+3.14/5²/2=533.8
14.602.88 1507.2
15.7 17.27
62.8 102.05
15.侧面:3.14/18/80=4521.6
底面:3.14/(18*2)²/2=508.68
16.3.14/3.5/10=109.9
17.3.14/20/30+【3.14/(20*2)²-78.5)】/2=2355
18.12/四分之三=9 3.14/9/12+3.14/(9*2)²=402.705
19(1)12/4/16+12/12/2-3.14/(12*2)²=942.96
3.14/12/55=2072.4
942.96+20724=
(2)5/(0.302/30)=45.3
20.188.4*(2/3.14/2)=15

1 手电筒的筒身、柱子、哑铃的把手和两端都是圆柱
2 1和4f幅
3 长 正 圆
后面自己写 抄答案是不好的

我知道

在一圆柱形铁皮水捅无盖高12DM地面直径是高的0.75做这水需要多少铁

不懂就要问老师。

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