dim str(4,5) as integer dim num1(4),num2(5) as integer 'num1行的和,num2列的和 for i = 0 to 3 num1(i)=0 num2(i)=0 next num2(4)=0 for i = 0 to 3 for j = 0 to 4 str(i,j)=Int(Rnd * 9 + 1) '在这里写输出矩阵的语句,不知道你输出到哪 num2(j)=num2(j)+str(i,j) num1(i)=num1(i)+str(i,j) next j next i '这里输出各行各列的平均值