2 x1 - x2 + x3 + 2 x4 + 3 x5 = 2
6 x1 - 3 x2 + 2 x3 + 4 x4 + 5 x5 = 3
6 x1 -4 x2 +4 x3 + 8 x4 +13 x5 = 9
4 x1 - 2 x2 + x3+ x 4 + 2 x5 = 1
12 x1+ 14 x2 - 15 x3 +24 x4 +27 x5 = 5
16 x1 + 18 x2 - 22 x3 +29 x4 +37 x5 = 8
18 x1 + 20 x2 - 21 x3 +32 x4 +41 x5 = 9
10 x1 + 22 x2 - 16 x3 + 20 x4 + 23 x5 = 4
giải bằng toán ma trân ạ
6 x1 - 3 x2 + 2 x3 + 4 x4 + 5 x5 = 3
6 x1 -4 x2 +4 x3 + 8 x4 +13 x5 = 9
4 x1 - 2 x2 + x3+ x 4 + 2 x5 = 1
12 x1+ 14 x2 - 15 x3 +24 x4 +27 x5 = 5
16 x1 + 18 x2 - 22 x3 +29 x4 +37 x5 = 8
18 x1 + 20 x2 - 21 x3 +32 x4 +41 x5 = 9
10 x1 + 22 x2 - 16 x3 + 20 x4 + 23 x5 = 4
giải bằng toán ma trân ạ