3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和的个位是几?要算式 如果没有可以不要
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 20:35:11
![3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和的个位是几?要算式 如果没有可以不要](/uploads/image/z/14319404-44-4.jpg?t=3x3x3x3x3x3x3%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7%C2%B7x3%E5%85%B185%E4%B8%AA3%E7%9B%B8%E4%B9%98%2C%E5%8A%A0%E4%B8%8A4x4x4x4x4x4%C2%B7%C2%B7%C2%B7%C2%B7%E5%85%B180%E4%B8%AA4%E7%9B%B8%E4%B9%98%2C%E4%BB%96%E4%BB%AC%E7%9A%84%E5%92%8C%E7%9A%84%E4%B8%AA%E4%BD%8D%E6%98%AF%E5%87%A0%3F%E8%A6%81%E7%AE%97%E5%BC%8F+%E5%A6%82%E6%9E%9C%E6%B2%A1%E6%9C%89%E5%8F%AF%E4%BB%A5%E4%B8%8D%E8%A6%81)
3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和的个位是几?要算式 如果没有可以不要
3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和的个位是几?
要算式 如果没有可以不要
3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和的个位是几?要算式 如果没有可以不要
1个3相乘各位是3,2个3相乘各位是9,3个3相乘各位是7,4个3相乘各位是1...
如此循环可发现其个位数为3.9.7.1循环.
1个4相乘各位是4,2个4相乘各位是6,3个4相乘各位是4,4个4相乘各位是6...
如此循环可发现其个位数为4.6循环.
所以85(=21×4+1)个3相乘各位是3,80(=40×2)个4相乘各位是6
所以答案的各位是3+6=9.
3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和是575
3
3:3
3*3=9:9
3*3*3=27:7
3*3*3*3=81:1
3*3*3*3*3=243:3
......
所以3是3971,3971...
所以85除以3=28余1所以个位为3
4也和上面一样是46,46,....
所以80除以2等于40所以各位为6
所以他们和的个位为3+6=9!
3x3x3x3x3x3x3········x3共85个3相乘,加上4x4x4x4x4x4····共80个4相乘,他们的和的个位是几?要算式 如果没有可以不要
用紧张,······················紧张,······················紧张,······················造句,内容是要积极向上的~3Q
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1 2 3 4 ·····7 ·······10 ········?1 3 5 7 ·····?······?··········290 1 4 9 ·····?······?··········?
急·····················1+2+3+...+999=?
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求···············
什么植物有应激性只要植物名 ·········································································································
急··························
急 ··············急············
用a way to造句急···········用·················3句
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写一个关于动物的拟人句急急急呀······································································································