1×1×1+3×3×3+5×5×5+7×7×7+9×9×9+11×11×11+13×13×13+15×15×15这题怎么计算?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 00:35:34
![1×1×1+3×3×3+5×5×5+7×7×7+9×9×9+11×11×11+13×13×13+15×15×15这题怎么计算?](/uploads/image/z/7150581-45-1.jpg?t=1%C3%971%C3%971%2B3%C3%973%C3%973%2B5%C3%975%C3%975%2B7%C3%977%C3%977%2B9%C3%979%C3%979%2B11%C3%9711%C3%9711%2B13%C3%9713%C3%9713%2B15%C3%9715%C3%9715%E8%BF%99%E9%A2%98%E6%80%8E%E4%B9%88%E8%AE%A1%E7%AE%97%3F)
1×1×1+3×3×3+5×5×5+7×7×7+9×9×9+11×11×11+13×13×13+15×15×15这题怎么计算?
1×1×1+3×3×3+5×5×5+7×7×7+9×9×9+11×11×11+13×13×13+15×15×15这题怎么计算?
1×1×1+3×3×3+5×5×5+7×7×7+9×9×9+11×11×11+13×13×13+15×15×15这题怎么计算?
口算
1×1×1+3×3×3+5×5×5+7×7×7+9×9×9+11×11×11+13×13×13+15×15×15
8128
1-3+5-7+...
1/5+1/3*(3/5-3/7)简便计算
1/1*3+1/1*3*5+1/1*3*5*7+1/1*3*5*7*9-73/945
1,3,5,7,9.
化简5/7:1/3
(1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)*(1/3+1/5+1/7) 简算(1+1/3+1/5+1/7)*(1/3+1/5+1/7+1/9)-(1+1/3+1/5+1/7+1/9)*(1/3+1/5+1/7) 简便计算
7/3*[7/5-(7/3+5/1)]简便算法
1/1*3*5+1/3*5*7+1/5*7*9.+1/95*97*99
5 7 -5 3 9 -1 11 -3 1
用Matlab用计算特征值和特征向量1 1/7 1/5 1/3 1/5 1/67 1 7/5 7/3 7/5 7/65 5/7 1 5/3 5/8 5/63 3/7 3/5 1 3/5 1/25 5/7 8/5 5/3 1 5/66 6/7 6/5 2 6/5 1
(3+5/7-2/3)×(1/5+1/7+1/13)-(1/5-1/7+1/13)×3+(1/5+1/7+1/13)×(2/3-7/5)有一个打错了(3+5/7-2/3)×(1/5+1/7+1/13)-(1/5-1/7+1/13)×3+(1/5+1/7+1/13)×(2/3-7/5)
计算(-5)-(+3)+(-9)-(-7)+1/3
一元一次方程×-×-1/3=7-×+3/5
-3/7+3/2+1+-5
1/1×3+1/3×5+1/5×7+1/7×9.+1/2011×2013
简算:1/1*3+1/3*5+1/5*7+1/7*9+1/9*11
1/1*3+1/3*5+1/5*7+1/7*9+...1/17*19=
计算1/(1×3)+1/(3×5)+1/(5×7)+1/(7×9)+.+1/(19×21)