1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50请问答案是多少_作业帮
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50请问答案是多少
1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20+21+22+23+24+25+26+27+28+29+30+31+32+33+34+35+36+37+38+39+40+41+42+43+44+45+46+47+48+49+50请问答案是多少
公式n(n+1)/2=1275
（1+50）×25
哥，你吃多了吧！
（1+50）乘50除2=1275
根据高斯求和的一直加到50的结果是 25*51=1275
（50+1)x（50/2）=1275
25个50在加25，自己算吧
=50+（49-1）/2*50+25=1275
25个50再加25
望采纳，谢谢
25乘50加25
加到一百你知道多少不
(1十50)×50/2
谢谢，想到一起了。
你回答错了，正确答案是1275现将连续自然数1~2004按如图的方式排列成一个长方形阵列,用一个虚线框框出16个数1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 。。。。。。。。_作业帮
现将连续自然数1~2004按如图的方式排列成一个长方形阵列,用一个虚线框框出16个数1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 。。。。。。。。
现将连续自然数1~2004按如图的方式排列成一个长方形阵列,用一个虚线框框出16个数1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 。。。。。。。。。。。。。。 在图中，要使正方形框出的16个数之和为2000，是否可能？若有可能求出这16个数的最小数。
设最小数为x,横行为x,x+1,x+2,x+3竖行为x,x+7,x+14,x+21
4x+6+4(x+7)+6+4(x+14)+6+4(x+21)+6=2000和值计算。。把1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.4
和值计算。。把1.2.3.4.5.6.7.8.9.10.11.12.13.14.15.16.17.18.19.20.21.22.23.24.25.26.27.28.29.30.31.32.33.34.35.36.37.38.39.40.41.42.43.44.45.46.47.4
补充：把这四十九个号码分别用三个号码分别计算出和值等于73.74.75.76.77例如：9+20+46=75
不区分大小写匿名
第一个加倒一个，第二个加倒二个，你会发现和是一样的，依次类推，超方便
第一个加倒第一个等于50.问题是要等于73.74.75.76.77。怎样算方便快速？
像这种依次变化的规律很好找，就像你说的，那5个数也可以取平均值75的，因为把77多的2给了73，76多的1给了74，你会发现是5个75，是不是很有意思？
是三个数相加，不是两个。三个怎么加？有规律？
只要连续，就有规律，自我总结并不难
别忽悠，你就回答问题吧。
相关知识等待您来回答
学习帮助领域专家
& &SOGOU - 京ICP证050897号153°19′42″+26°40′28″=180°0′10″90°3″－57°21′44″=32°38′19″33°15′16″×5=166°18′175°16′30″－47°30′÷6=167°41′30″_作业帮
153°19′42″+26°40′28″=180°0′10″90°3″－57°21′44″=32°38′19″33°15′16″×5=166°18′175°16′30″－47°30′÷6=167°41′30″
153°19′42″+26°40′28″=180°0′10″90°3″－57°21′44″=32°38′19″33°15′16″×5=166°18′175°16′30″－47°30′÷6=167°41′30″
最后两题貌似不对3.166°16‘20’‘4.167°21’30‘’
33°15′16″×5=166°16′20″175°16′30″－47°30′÷6=167°21′30″1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 的翻译是：1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79
84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 中文翻译英文意思，翻译希伯来语请在下面的文本框内输入文字，然后点击开始翻译按钮进行翻译，如果您看不到结果，请重新翻译！
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选择语言：从
罗马尼亚语
罗马尼亚语
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