数学高手进入?
计算
3 4 5 11
2 5 4 9 =
5 3 2 12
14 -11 21 29
高手帮忙,这个怎么计算?
3 4 5 11
2 5 4 9
5 3 2 12
14 -11 21 29
=
3 4 5 11
0 7/3 2/3 5/3
0 -11/3 -19/3 -19/3
0 -89/3 -7/3 -67/3
=
3 4 5 11
0 7/3 2/3 5/3
0 0 -37/7 -26/7
0 0 43/7 -8/7
=
3 4 5 11
0 7/3 2/3 5/3
0 0 -37/7 -26/7
0 0 0 - 202/37
=3*7/3*(-37/7)*(-202/37)
=202
33没错,就是这个答案,不必多讲
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