11×43+22×18+33×7=

11×43+22×18+33×7= 请问这道题11*43+22*18+33*7巧算怎么做?急. 11+22+33+44=? 11+22+33=多少? 33—22+11=? 简便计算：43*67+33*33-7=?急, 求大侠拟合二元函数.最好是MATALB拟合.z=a*x+b*x*y+c*exp(d*x)-(b/d)*y*exp(d*x)x=【29,65,43,39,62,40,43,52,53,61,30,42,39,43,57,47,17,16】y=【20,61,54,16,53,42,33,19,59,38,19,44,24,24,22,42,10,10】z= 【05,12,11,11,11,11,13,18,12,10,13, 55+44+33+22+11= 11*22*33*44=?请秒回 1+1+11+22+33+44= 用matlab拟合下面一组数据的曲线x=[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 7 android编程 数组：static final int g[][]=new int[][]{{3,16,29,42},{4,17,30,43},{5,18,31,44},{6,19,32,45},{7,20,33,46},{8,21,34,47},{9,22,35,48},{10,23,36,49},{11,24,37,50},{12,25,38,51},{13,26,39,52},{14,27,40,53},{15,28,41,54},};int a = new Ran EXCEL 公式请教A1=1 2 3 4 5 6 7 B1=1A1=1或2 3 4 5 6 7 B1=1A1=8 9 10 11 12 13 14 B1=2A1=15 16 17 18 19 20 21 B1=3A1=22 23 24 25 26 27 28 B1=4A1=29 30 31 32 33 34 35 B1=5A1=36 37 38 39 40 41 42 B1=6A1=43 44 45 46 47 48 49 B1=7同时进行的 x,y如图片上显示,用e指数拟合,求y随x的变化关系,画出原数据散点图和拟合曲线图.matlab程序是什么x=[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, 11,22,33,44 11+(-22)-(-33) 11+22+33+44+55+66+66+55+44+33+22+11=? 1+2+3+4+5+6+7+8+9+11+22-33+33+44+55+66+77+88+99+12+13+14+15+16+17+18+19