0.7 0.15 0.35 0.25 0.240.7 0.15 0.35 0.25 0.24 0.625 0.875 0.04 化成分数是

0.7 0.15 0.35 0.25 0.240.7 0.15 0.35 0.25 0.24 0.625 0.875 0.04 化成分数是 化成最简分数 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 0.15 0.25 0.35 0.45 0.55 0.65 0.75 0.85 0.950.12 0.16 0.24 0.36 0.48 0.720.125 0.375 0.625 0.875 MATLAB新手,自己尝试编的命令流,各种出错,P=[ 0.5 0.44 0.64 ;0.7 0.56 0.64 ;0.9 0.69 0.64 ;0.5 0.56 0.86 ;0.7 0.69 0.86 ;0.9 0.44 0.86 ;0.5 0.69 1.00 ;0.7 0.44 1.00 ];T=[0.11 0.98 0.35;0.15 0.92 0.25;0.19 0.80 0.45;0.17 0.98 0.25;0.19 0.9 Matlab拟合x=[0,0.05,0.1,0.15,0.2,0.25,0.3,0.35,0.4,0.45,0.5,0.55,0.6,0.65,0.7,0.75,0.8,0.85,0.9]y=[443,479,510,537,560,581,600,618,636,654,672,691,712,736,763,794,833,883,953]拟合函数为y=a+b*x-a*c*exp(-d*x)-b*c*x*exp(-d*x)需要得到a,b,c,d, 请问这段函数代表什么意思=IF(AND(F5=1,G5>0.3),1.3,IF(AND(F5=1,G5>0.15),1.2,IF(AND(F5=1,G5>0.05),1.1,IF(G5>-0.05,1,IF(G5>-0.15,0.9,IF(G5>-0.25,0.8,IF(G5>-0.35,0.7,IF(G5>-0.45,0.6,0.5)))))))) #include #include #includea.txt0.3,0.225,0.375,0.25,0.5,0.4,0.25,0.3,0.425,0.6,0.35,0.15,0.225,0.25,0.175,0.475,0.225,0.3,0.225,0.4,0.2,0.125,0.425,0.4,0.2,0.225,0.3,0.35,0.275,0.475,0.6,0.35,0.3,0.4,0.25,0.15,0.525,0.375,0.25,0.35,0.225,0.55,0.4,0.2 2x^2+0.7x-0.15=0 x=? 2平方加0.7倍减去0.15,等等.0 2平方加0.7倍减去0.15,等等.0 0.7、0.15、0.36、0.25、0.24、0.625、0.875、0.04等化成分数 能做多少做多少, 0.3*X-X*0.25=0.15-0.7*X X多少急用 0.35：0.25的比值 0.7:0.15的比值? 将下列各数从小到大排列 -0.25 ,+2.3 ,-0.15 ,0,-3分之1,-1.5 ,-0.6,0.25 简便：（1）18÷0.75×0.75 （2）12.5×0.7×0.8 (3)0.25×4.35-0.25×0.35 = = = = = = = = = 2.8*0.25+0.35等于多少 1/2*（1000/435+X/1000）-1=0.05 /0.15/0.25/0.35 时X的值分别为?注 ：X取整 0.9+（0.15+0.35/7分之5）.....