Bt
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BAØI TAÄP HEÄ PHÖÔNG TRÌNH TUYEÁN TÍNH -----*----A/ GIAÛI CAÙC HEÄ PHÖÔNG TRÌNH TUYEÁN TÍNH SAU : 3 x1 2 x2 x3 1 a / x1 4 x2 2 x3 2 2 x 3x x 0 2 3 1 2 x1 3 x2 3x3 1 b / 3 x1 2 x2 x3 2 x 4x 5x 3 1 2 3 x1 2 x2 x3 1 2x x 2x 1 1 2 3 c/ x1 x2 x3 3 x1 2 x2 3 x3 1 2 x1 x2 x3 x4 1 3x 2 x 2 x 8 x 2 1 2 3 4 d/ 5 x1 x2 x3 2 x4 1 2 x1 x2 x3 3 x4 4 2 x1 x2 3 x3 9 e / 3 x1 5 x2 x3 4 4x 7x x 5 2 3 1 x1 x2 x3 6 f / 2 x1 3 x2 4 x3 21 7 x x 3x 6 3 1 2 2 x1 2 x2 x3 x4 4 4 x 3x x 2 x 6 1 2 3 4
g/
8 x1 5 x2 3 x3 4 x4 12 3x1 3 x2 2 x3 2 x4 6
x1 x2 5 x3 2 x4 1 2 x 3 x 11x 5 x 2 1 2 3 4
h/
2 x1 x2 3 x3 2 x4 3 x1 x2 3 x3 4 x4 3
i/
3 x1 2 x2 5 x3 x4 3 2 x 3 x x 5 x 3 1 2 3 4 x1 2 x2 x4 3 x1 x2 4 x3 9 x4 22
2 x1 7 x2 3x3 x4 5 x 3x 5 x 2 x 3 1 2 3 4
j/
x1 5 x2 9 x3 8 x4 1 5 x1 18 x2 4 x3 5 x4 12 4 x1 3 x2 2 x3 x4 8 3 x 2 x x 3x 7 1 2 3 4
k /
2 x1 x2 5 x4 6 5 x1 3 x2 x3 8 x4 1
x1 x2 x3 x4 x5 15 x 2 x 3 x 4 x 5 x 35 2 3 4 5 1
l / x1 4 x2 10 x3 20 x4 35 x5 126 x 3x 6 x 10 x 15 x 70 2 3 4 5 1 x1 5 x2 15 x3 35 x4 70 x5 210 x1 x2 x3 x4 x5 7 3 x 2 x x x 3x 2 1 2 3 4 5 m/ x 2 x 2 x 6 x 23 3 4 5 2 5 x1 4 x2 3 x3 3 x4 x5 12 3 x1 x2 2 x3 x4 x5 1 2 x x 7 x 3x 5 x 2 1 2 3 4 5 n/ x1 3 x2 2 x3 5 x4 7 x5 3 3 x1 2 x2 7 x3 5 x4 8 x5 3 2 x1 3 x2 4 x3 5 x4 13 4 x 6 x x x 14 1 2 3 4 o/ 6 x1 9 x2 x3 2 x4 13 2 x1 3 x2 2 x3 4 x4 9 x1 4 x2 3x3 22 2 x 3x 5 x 12 1 2 3
p/
x1 7 x2 2 x3 34 3 x1 x2 2 x3 0
2 x1 x2 3x3 x4 1 q / x1 2 x2 x3 3 x4 3 x x 2x 2x 4 3 4 1 2 x1 2 x2 3 x3 2 x4 6 2 x x 2 x 3x 8 1 2 3 4 r/ 3x1 2 x2 x3 2 x4 4 2 x1 3x2 2 x3 x4 8
s/
2 x1 x2 3 x3 2 x4 4 3x 3 x 3 x 2 x 6 1 2 3 4 3x1 x2 x3 2 x4 6 3x1 x2 3 x3 x4 6
g/
8 x1 5 x2 3 x3 4 x4 12 3x1 3 x2 2 x3 2 x4 6
x1 x2 5 x3 2 x4 1 2 x 3 x 11x 5 x 2 1 2 3 4
h/
2 x1 x2 3 x3 2 x4 3 x1 x2 3 x3 4 x4 3
i/
3 x1 2 x2 5 x3 x4 3 2 x 3 x x 5 x 3 1 2 3 4 x1 2 x2 x4 3 x1 x2 4 x3 9 x4 22
2 x1 7 x2 3x3 x4 5 x 3x 5 x 2 x 3 1 2 3 4
j/
x1 5 x2 9 x3 8 x4 1 5 x1 18 x2 4 x3 5 x4 12 4 x1 3 x2 2 x3 x4 8 3 x 2 x x 3x 7 1 2 3 4
k /
2 x1 x2 5 x4 6 5 x1 3 x2 x3 8 x4 1
x1 x2 x3 x4 x5 15 x 2 x 3 x 4 x 5 x 35 2 3 4 5 1
l / x1 4 x2 10 x3 20 x4 35 x5 126 x 3x 6 x 10 x 15 x 70 2 3 4 5 1 x1 5 x2 15 x3 35 x4 70 x5 210 x1 x2 x3 x4 x5 7 3 x 2 x x x 3x 2 1 2 3 4 5 m/ x 2 x 2 x 6 x 23 3 4 5 2 5 x1 4 x2 3 x3 3 x4 x5 12 3 x1 x2 2 x3 x4 x5 1 2 x x 7 x 3x 5 x 2 1 2 3 4 5 n/ x1 3 x2 2 x3 5 x4 7 x5 3 3 x1 2 x2 7 x3 5 x4 8 x5 3 2 x1 3 x2 4 x3 5 x4 13 4 x 6 x x x 14 1 2 3 4 o/ 6 x1 9 x2 x3 2 x4 13 2 x1 3 x2 2 x3 4 x4 9 x1 4 x2 3x3 22 2 x 3x 5 x 12 1 2 3
p/
x1 7 x2 2 x3 34 3 x1 x2 2 x3 0
2 x1 x2 3x3 x4 1 q / x1 2 x2 x3 3 x4 3 x x 2x 2x 4 3 4 1 2 x1 2 x2 3 x3 2 x4 6 2 x x 2 x 3x 8 1 2 3 4 r/ 3x1 2 x2 x3 2 x4 4 2 x1 3x2 2 x3 x4 8
s/
2 x1 x2 3 x3 2 x4 4 3x 3 x 3 x 2 x 6 1 2 3 4 3x1 x2 x3 2 x4 6 3x1 x2 3 x3 x4 6
