1+13/6+37/12+81/20+151/30+253/42+393/56+577/72【简算】
答案:6 悬赏:0 手机版
解决时间 2021-11-20 05:36
- 提问者网友：欲望失宠
- 2021-11-19 19:46
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72【简算】
最佳答案
- 五星知识达人网友：鱼芗
- 2021-11-19 20:16
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+9+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+9)x9÷2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=45+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=45+1/2-1/9
=45+7/18
=45又7/18
如果本题有什么不明白可以追问，如果满意记得采纳
如果有其他问题请采纳本题后另发点击向我求助，答题不易，请谅解，谢谢。
祝学习进步！追问1+2+3+4+5+6+7+8+9中9哪来的追答哦，写错了
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+8)x8÷2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=36+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=36+1/2-1/9
=36+7/18
=36又7/18
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+9+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+9)x9÷2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=45+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=45+1/2-1/9
=45+7/18
=45又7/18
如果本题有什么不明白可以追问，如果满意记得采纳
如果有其他问题请采纳本题后另发点击向我求助，答题不易，请谅解，谢谢。
祝学习进步！追问1+2+3+4+5+6+7+8+9中9哪来的追答哦，写错了
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+8)x8÷2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=36+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=36+1/2-1/9
=36+7/18
=36又7/18
全部回答
- 1楼网友：妄饮晩冬酒
- 2021-11-20 01:36
1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72=36又18分之7
- 2楼网友：不想翻身的咸鱼
- 2021-11-20 00:13
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+8)*4+(1/2-1/3)+(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+(1/6-1/7)+(1/7-1/8)+(1/8-1/9)
=36+(1/2-1/9)
=36又7/18
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+8)*4+(1/2-1/3)+(1/3-1/4)+(1/4-1/5)+(1/5-1/6)+(1/6-1/7)+(1/7-1/8)+(1/8-1/9)
=36+(1/2-1/9)
=36又7/18
- 3楼网友：思契十里
- 2021-11-19 23:11
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+9+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=1+(2+9)*8/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=1+44+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=45+1/2-1/9
=45+9/18-2/18
=45+7/18
=45又7/18
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+9+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=1+(2+9)*8/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=1+44+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=45+1/2-1/9
=45+9/18-2/18
=45+7/18
=45又7/18
- 4楼网友：神也偏爱
- 2021-11-19 22:17
3+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=3+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=3+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=3+(2+8)*7/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=3+35+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=38+1/2-1/9
=38+7/18
=38又7/18追问不是3是1追答1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=1+(2+8)*7/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=1+35+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=36+1/2-1/9
=36+7/18
=36又7/18
=3+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=3+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=3+(2+8)*7/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=3+35+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=38+1/2-1/9
=38+7/18
=38又7/18追问不是3是1追答1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=1+(2+8)*7/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=1+35+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=36+1/2-1/9
=36+7/18
=36又7/18
- 5楼网友：摆渡翁
- 2021-11-19 21:31
1+13/6+37/12+81/20+151/30+253/42+393/56+577/72
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+8)*8/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=36+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=36+1/2-1/9
=36+9/18-2/18
=36+7/18
=36又7/18
=1+2+1/6+3+1/12+4+1/20+5+1/30+6+1/42+7+1/56+8+1/72
=1+2+3+4+5+6+7+8+1/6+1/12+1/20+1/30+1/42+1/56+1/72
=(1+8)*8/2+1/2*3+1/3*4+1/4*5+1/5*6+1/6*7+1/7*8+1/8*9
=36+1/2-1/3+1/3-1/4+1/4-1/5+1/5-1/6+1/6-1/7+1/7-1/8+1/8-1/9
=36+1/2-1/9
=36+9/18-2/18
=36+7/18
=36又7/18
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