热门问题
等级 主题 问题 格式化的问题
801 [[-1,2],[5,3]][[2,3],[7,1]]
802 [[1,3,3,-5],[1,2,3,-4],[0,2,-2,4]]
803 [[1,3],[-9,-6]][[6],[-7]]
804 [[1,-8,2,2,1],[0,2,4,0,-2],[3,-22,2,6,6],[7,-54,10,14,10],[-3,26,-2,-6,-5]][[w],[e],[r],[t],[y]]
805 [[-1,8,7],[-3,-7,4]][[-2,-7,-9],[5,3,7]]
806 [[1],[2],[0]][[0],[2],[1]]
807 [[1],[3]]*e^(2t)
808 [[1],[-4],[2]]
809 [[2,0,1],[-1,1,0],[1,3,1],[-1,1,1]]*[[2,-1,1,-1],[0,1,3,1],[1,0,1,1]]
810 [[2,-1,1,-1],[0,1,3,1],[1,0,1,1]]*[[2,0,1],[1,1,0],[2,0,1],[1,1,0]]
811 [[2,2],[2,2]]*[[-3],[9]]
812 [[2,-3,6],[0,1,-2],[5,7,4]]*[[1,7,0,5],[12,3,2,-4],[3,-4,8,9]]
813 [[2,4,1,0],[-1,1,-2,0],[4,0,6,0]]
814 [[2,4],[3,7]]*[[6,5,3,3],[7,1,9,0],[5,4,8,2],[10,4,5,1]]
815 [[2],[2]]-[[1],[1]]
816 [[3,1,1],[2,4,2],[-1,-1,1]]
817 [[3,1],[105,25],[70,1]][[250],[210],[210]]
818 [[-3,1],[9,-3]][[1,1],[0,-1]]
819 [[3,5],[-1,4]][[7,-5,1],[1,-4,-3]]
820 [[3],[5],[1],[7]]*[[3,5,1,7]]
821 [[4,-3,0,8,7,5],[0,1,0,2,-4,-6]]+[[4,-1,7,5,4,-3],[-12,-2,-6,-5,9,2]]
822 [[2,8],[0,-4],[-1,6]]+[[-4,0],[-7,-5],[1/4,-2]]
823 [[-2,-8],[-9,-9]]x[[3,-12,-10],[-2,-3,10]]
824 [[21],[25],[29]]+[[26],[30],[34]]
825 [[25,0],[33,-3]]+[[25,0],[27,-3]]
826 [[3,4],[1,2]]+[[1,3,4],[2,1,5]]
827 [[-3,9,9],[1,11,3],[-11,-4,-3]]+[[-7,-5,1],[-7,-5,13],[-1,-15,-11]]
828 [[30,-6],[30,42]]+[[0,4],[4,-12]]
829 [[4,8]]*(2[[1,5,7]])
830 [[-4,8],[4,9],[8,-9]]+[[-9,-6],[-5,9],[3,-6]]
831 [[4],[1]]+[[4],[3]]
832 [[4x+y,x-3y,5x],[4x,3y,x+y]]+[[2x,6y,5x+y],[5x+2y,x,4x]]
833 [[5,1],[1,-9],[6,7]]+[[-1,-3],[-3,-3],[4,2]]
834 [[5,2],[-1,4],[7,0]]+[[-3,3],[-4,0],[1,6]]
835 [[5,2],[2,2]][[2],[6]]
836 [[-5,-4],[7,4]]+[[-9,3],[1,2]]-[[7,-2],[-2,8]]
837 [[6,-3,-1],[0,1,2],[4,-6,6]]+[[5,-1,2],[0,5,4],[5,1,7]]
838 [[6,-4,-2,-1],[3,1,-1,1],[1,-1,3,5]]
839 [[8,3],[4,-7],[-8,-5]]+[[5,-2],[8,4],[4,-4]]
840 [[a],[b],[c]]+[[d],[e],[f]]
841 [[a+2,3z+1,5m],[8k,0,3]]+[[3a,2z,5m],[2k,5,6]]
842 m^-1[[1,1,0],[-1,1,1],[0,3,1]]
843 [[1,-2],[3,-4]]^3
844 2[[1,-3,0],[4,5,1],[3,8,0]]*[[1,1,-2],[3,0,4],[-1,3,2]]+[[2,0,-2],[4,7,-5],[1,0,-1]]*[[2,0,-2],[4,7,-5],[1,0,-1]]
845 3a+4a*[[2,2],[3,-3]]
846 4*[[5,1],[3,6]]
847 A=[[11,6],[-16,-9]]
848 [[0.30,0.30,0.20,31],[0.20,0.20,0.30,77],[0.30,0.40,0.30,54]]
849 [[0.70,0.05,0.10],[0.20,0.70,0.15],[0.10,0.25,0.75]][[19462.5],[30612.5],[49925]]
850 [[0,0,2,1],[1,0,1,0],[0,1,-2,0],[0,0,0,1]]
851 [[0,1,0],[2,0,1],[0,1,0]]
852 [[0,1,5,-4],[1,4,3,-2],[2,7,1,-2]]
853 [[0,3,2],[4,3,3],[1,2,0]]
854 [[0.30,0.20,0.30],[0.40,0.30,0.30],[0.30,0.30,0.20]]*[[81],[8],[9]]
855 [[0.30,0.20,0.30],[0.40,0.30,0.30],[0.30,0.30,0.20]]-[[1,0,0],[0,1,0],[0,0,1]]*[[81],[8],[9]]
856 [[0.30,0.20,0.30],[0.40,0.30,0.30],[0.30,0.30,0.20]]-[[81],[8],[9]]
857 [[1,x^2,x^2-2]]
858 [[1,0,0],[0,1,1],[0,0,0]]-[[0,1,0],[0,0,0],[-1,0,1]]
859 [[1,0,1,3],[0,1,2,4]]
860 [[1,0,9,0,-7],[0,1,7,0,7],[0,0,0,1,4],[0,0,0,0,-3]]
861 [[1,-1,1,2],[2,1,-3,1],[-1,-5,9,4]]
862 [[1,-1,-2],[0,2,3],[0,0,1]]*[[-2,1,-1],[0,1,2],[0,0,1]]
863 [[1,-2,0,-10],[0,-1,1,-2],[0,0,2,4]][[0],[1],[6]]
864 [[1,2,3,0],[2,4,6,0],[3,6,9,0]]
865 [[-4,-4,-9,-3],[8,9,21,1],[1,1,2,4]]
866 [[5,10,15,20,25,30,35,40,45],[0.6,0.9,1.2,1.4,1.6,1.7,1.9,2.1,2.2]]
867 [[7,-3]]
868 [[7],[6],[12]]-[[3],[8],[5]]
869 [[8,-5],[0,2]][[1,7],[2,8]]
870 [[8,-7,e,3],[-3,6,-8,p],[3,1/3,2,-1/7]]
871 [[8,8,-6]]x[[-1,-1,-1]]
872 减去矩阵 [[1,2,3],[4,5,6],[7,8,9]]-[[x,0,0],[0,x,0],[0,0,x]]
873 减去矩阵 1[[1,0],[1,1]]-[[4,1],[4,4]]
874 减去矩阵 2*[[4,-3],[0,2],[-1,5],[3,0]]-3*[[1,-7,0],[3,4,-6]]
875 减去矩阵 2[[0,2,1],[3,-2,4]]-3[[-3,1,0],[1,7,2]]
876 减去矩阵 2[[1,2],[3,4],[5,6]]-3[[1,0],[0,4],[7,1]]
877 减去矩阵 -3*[[5,1],[1,-9],[6,7]]-8*[[-1,-3],[-3,-3],[4,2]]
878 减去矩阵 -4[[10,3,5],[11,-2,5],[6,8,14]]-6[[-13,3,-13],[-4,6,14],[5,14,-4]]
879 减去矩阵 5*[[1,0],[0,1]]-[[1,-4],[1,6]]
880 减去矩阵 [[0,1,0],[-2,3,0],[-2,-2,5]]-[[1,0,0],[0,1,0],[0,0,1]]
881 减去矩阵 [[0.93,0.4],[0.07,0.6]]-[[k,0],[0,k]]
882 减去矩阵 [[-1,7/3,-2],[0,2/3,1],[1/2,-1,1]]-[[1,-10,2],[-9,-2,-4],[5,4,4]]
883 减去矩阵 [[1,0,0,0],[0,1,0,0],[0,0,1,0],[0,0,0,1]]-[[-1,2,0,1],[1,2,1,1],[0,1,1,-1],[0,0,1,2]]
884 减去矩阵 [[1,0,0],[0,1,0]]+[[0,1,1],[1,0,1]]
885 减去矩阵 [[-1,0],[6,1]]-[[-1,6],[3,1]]
886 减去矩阵 [[1,1,-1,-5],[3,-1,1,5],[-1,4,-3,1]]
887 减去矩阵 [[1,1,1],[2,2,2],[0,1,0]]-[[2,0],[2,1],[2,0]]
888 减去矩阵 [[1,-1],[2,-1]]-[[2,-1],[-1,8]]
889 减去矩阵 [[1,-2,3,-2],[3,1,-1,-5],[2,3,-5,-5]]
890 减去矩阵 [[1,2]]+[[3,-4]]
891 减去矩阵 [[1,2]][[3,-4]]
892 减去矩阵 [[-1,2],[2,-1]]-[[-3,0],[0,-3]]
893 减去矩阵 [[1,2],[3,4],[-1,0]]-[[-1,3],[2,6],[0,4]]
894 减去矩阵 [[1,4,7],[5,9,-9],[0,7,9]]-[[46/5,-12/5,3/5],[12/5,-3/5,1/5],[-3/5,1/5,0]]
895 减去矩阵 [[-1],[4],[5]]-[[55/42],[395/84],[167/84]]
896 减去矩阵 [[12,0,8],[9,15,-11]]-[[4,0,-3],[-6,2,9]]
897 减去矩阵 [[2,0,-2],[1,3,2],[0,0,3]]-[[1,0,0],[0,1,0],[0,0,1]]
898 减去矩阵 [[2,0],[3,1]]-[[7,-1],[-3,4]]
899 减去矩阵 [[2,1,4],[1,2,1]]-3[[3,-1,-1],[-1/3,2/3,0]]
900 减去矩阵 [[2,-1,4],[3,0,8]]-2[[2,4],[-5,1],[-3,6]]
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