乘法运算 39 B 46 >>A*B >>A.米B ans ans一 11 21 318 25 51 12 24 C1信号分析基础7/24 Kunming University of Science& Technology(C.1 信号分析基础-7/24 Kunming University of Science & Technology 乘法运算 1 2 3 4 A   =     3 9 4 6 B   =    