称次品时:2-3个要1次,4-9个要2次,10-27个要3次,28-81要4次,82-243个要5次,问6-10个各要几次?
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人气:391 ℃ 时间:2019-08-21 18:54:17
解答
10个要2~3次
推荐
- 找次品的规律 就是介个:3 1次 9 2次 10~27 3次 28~81 4次 82~242 5次 ..
- 用天平找次品:2到3个要一次,4到9个要二次,10到27个要三次,28到81个要4次,82-242要5次
- 用天平找次品:2到3个要一次,4到9个要二次,10到27个要三次,28到81个要4次,82到242个要5次……你能找出
- 找次品2个至3个要1次保证找出,4个至9个要2次保证找出,10个至27个要3次保证找出,28个至81个要4次保证找出,
- 观察以下各式:3^1=3,3^2=9,3^3=27,3^4=81,3^5=243,3^6=729,……
- 怎样判断滑动变阻器的阻值大小位置
- 波长,频率,波速,表现为什么
- (3a的平方-ab+7)-2(ab-2a的平方+1)化简
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