excel中如何计算两列数反乘积之和:如两列数(A1:A5)(B1:B5),求A1*B5+A2*B4+A3*B3+A4*B2+A5*B1

2025-04-07 20:26:02
推荐回答(3个)
回答1:

=SUMPRODUCT(A1:A5,N(OFFSET(B6,-ROW(1:5),)))

回答2:

两个方法:
1、输入=SUMPRODUCT(A1:A5,B1:B5);
2、输入=SUM(A1:A5*B1:B5)后按【SHITF+CTRL+回车 】三个键变为数组

回答3:

=SUMPRODUCT(N(INDIRECT(ADDRESS(6-ROW(1:5),2)))*A1:A5)