(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+1/41+1/43+1/47+1/53+1/54)*(1/41+接上:1/43+1/47+1/53)

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(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+1/41+1/43+1/47+1/53+1/54)*(1/41+接上:1/43+1/47+1/53)
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(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+1/41+1/43+1/47+1/53+1/54)*(1/41+接上:1/43+1/47+1/53)
(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+1/41+1/43+1/47+1/53+1/54)*(1/41+
接上:1/43+1/47+1/53)

(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+1/41+1/43+1/47+1/53+1/54)*(1/41+接上:1/43+1/47+1/53)
=(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53)+(1/37+1/41+1/43+1/47+1/53)*(1/54)-(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53)-(1/54)*(1/41+1/43+1/47+1/53)
=(1/37+1/41+1/43+1/47+1/53)*(1/54)-(1/54)*(1/41+1/43+1/47+1/53)
=(1/54)*(1/37)
=1/1998

(1/37+1/41+1/43+1/47+1/53)*(1/41+1/43+1/47+1/53+1/54)-(1/37+1/41+1/43+1/47+1/53+1/54)*(1/41+接上:1/43+1/47+1/53) [(1/31+1/37+1/41+1/47+1/53+1/69)*(1/29+1/31+1/37+1/41+1/47+1/53)]-[(1/29+1/31+1/37+1/41+1/47+1/53+1/69)*(1/31+1/37+1/41+1/47+1/53)] 1+3+5+7+9+11+13+15+17+19+21+25+27+29+31+35+37+39+41+43+47+49 等于 1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+31+33+35+37+39+41+43+45+47+49=? 数学竞赛辅导试题,有理数的运算与参设(1/31+1/37+1/41+1/47+1/53+1/69)*(1/29+1/31+1/37+1/41+1/47+1/53)-(1/29+1/31+1/37+1/41+1/47+1/53+1/63)+(1/31+1/37+1/41+1/47+1/53)为了竞赛专门训练的。最好不要用那种大 vba 建立一个二维数组如下:hz=[{1,6,37,38,39,40;2,11,37,41,42,43;3,16,38,41,44,45;4,21,39,42,44,46;5,26,40,43,45,46;7,12,37,47,48,49;8,17,38,47,50,51;9,22,39,48,50,52;10,27,40,49,51,52;13,18,41,47,53,54;14,23,42,48,53,55;15,28,43,49,54,55;1 37×(1/80+1/43)-43×(1/37-1/80)+80×(1/37-1/43)简便计算 matlab 拟合曲线 x与y的两条曲线如下:>> x1=0:1:70;>> y1=[103 77 71 70 68 61 58 51 52 51 51 50 51 48 47 49 48 47 43 42 42 37 39 41 42 43 45 48 49 47 46 42 42 44 46 49 47 48 46 41 41 42 43 38 34 34 33 30 35 26 21 18 14 5 9 7 6 0 4 4 4 3 2 2 43又20分之1除以41 那1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49是质数的有 合数的有 1+3+5+7+9+11+13+15+17+19+21+23+25+27+29+31+33+35+37+39+41+43+45+47+49=几的平方 vb 在picture打印数字三角形,1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 等差数列求和题目13 5 79 11 13 15 1719 21 23 25 27 3133 35 37 39 41 43 45 47……第10行第1个是多少? 1+2+3+4+5+6+7+8.+41+42+43+44+45+46+47+48+49+50=? 一年级语数英题4549/800 ,47/400 ,9/40 ,( )A.13/200 B.41/100 C.1/100 D.43/100 统计学题求解2008年5月某生产车间50个工人日加工零件数如下36 26 42 41 36 44 40 41 37 3037 37 25 45 29 43 31 20 40 5036 36 49 34 47 33 43 43 19 3338 42 32 34 38 46 43 51 30 4039 35 32 25 45 29 36 36 49 20(1)根据上述资料 37/43-(30/43+1/3) 简便计算 数学应用题简便方法1、 9+19+29+...+992、 36+37+38+39+40+41+42+43+44