excel sum 用法=SUM(C2:C3)=SUM(C2:C4)=SUM(C2:C5)=SUM(C2:C6)我要加总数,用SUM写了公式之后,用鼠标一拉成为了=SUM(C2:C3)=SUM(C2:C4)=SUM(C4:C5)=SUM(C4:C6)如何能让第一个数字全部换成C2

excel sum 用法=SUM(C2:C3)=SUM(C2:C4)=SUM(C2:C5)=SUM(C2:C6)我要加总数,用SUM写了公式之后,用鼠标一拉成为了=SUM(C2:C3)=SUM(C2:C4)=SUM(C4:C5)=SUM(C4:C6)如何能让第一个数字全部换成C2 在Excel 97中,公式“=SUM(B2,C2:E3)”的含义是? 在EXCEL中,=sum（A1*A2+B1*B2+C1*C2+++n1*n2）? 在EXCEL中.公式=SUM(C2,E3:F4)的含义是什么 在excel表格中,当C1=SUM（A1：A10）/SUM（B1：B10）*A1时,什样使C2=SUM（A1：A10）/SUM（B1：B10）*A2 公式“=SUM(B2:D4 C2: excel中sum是什么意思? sum的用法? 函数=SUM(A2+B2+C2+D2+E2)和=SUM(A2:E2)有什么区别 matlab小段代码求解释function [R,mx,my,mse]=circle_detect(x,y)N=length(x);a1=2*(sum(x)^2-N*sum(x.*x));a2=2*(sum(x)*sum(y)-N*sum(x.*y));b1=a2;b2=2*(sum(y)^2-N*sum(y.*y));c1=sum(x.*x)*sum(x)-N*sum(x.^3)+sum(x)*sum(y.*y)-N*sum(x.*y.*y);c2=sum(x.*x =sum(b2:b3,c2:e2)的功能 excel中sum什么意思 excel中,SUM(A1:A2, 第一列：D2=A1+SUM(B2:B2)-SUM(C2:C2)第二列：D3=A1+SUM(B2:B3)-SUM(C2:C3)怎么样才可以不用列D每行手设 将B2和C2两个单元格的数据求和的公式是A=SUM(B2:C2)BSUN(B2:C2)C+SUM(B2:C2) Excel公式谁能解读,=SUM(IF(I2 在Excel中,=SUM(8,7,8,7)是什么意思 请高的手 解释此Excel公式的含意 =SUM(IF((A2:A11=South)*(C2:C11=Meat),D2:D11)