则下列表达式中哪个是正确的？（）/ananas/latex/p/315095/ananas/latex/p/315096/ananas/latex/p/315097
举一反三
- 设,在内,则在内（ ）/ananas/latex/p/243901/ananas/latex/p/22409/ananas/latex/p/243903/ananas/latex/p/2154/ananas/latex/p/22992
- 已知()=0.4，则()=( )/ananas/latex/p/152/ananas/latex/p/278/ananas/latex/p/847/ananas/latex/p/281/ananas/latex/p/152/ananas/latex/p/4781/ananas/latex/p/7419/ananas/latex/p/6547
- 7.已知是实对称阵A的3个特征值，且对应于的特征向量分别为 则矩阵A=，则B矩阵中的各个元素 , , ; , , ; , , ./ananas/latex/p/404201/ananas/latex/p/404202/ananas/latex/p/404203/ananas/latex/p/2210847/ananas/latex/p/2210854/ananas/latex/p/2210858/ananas/latex/p/2210861/ananas/latex/p/2210863/ananas/latex/p/2210865/ananas/latex/p/2210869/ananas/latex/p/2210872/ananas/latex/p/2210875/ananas/latex/p/2210877
- 设在上二阶可导，且,则在内是（ ）/ananas/latex/p/2154/ananas/latex/p/13269/ananas/latex/p/243898/ananas/latex/p/243899/ananas/latex/p/95388
- 设Ω{1,2,…,10},{2,3,4},{3,4,5}，则/ananas/latex/p/1591/ananas/latex/p/37739/ananas/latex/p/37740/ananas/latex/p/502945
内容
- 0
/ananas/latex/p/515893/ananas/latex/p/515894/ananas/latex/p/503271/ananas/latex/p/515901/ananas/latex/p/515902/ananas/latex/p/515907/ananas/latex/p/515908
- 1
判断下列积分值的大小： , , , 其中由 围成，则之间的大小顺序为/ananas/latex/p/2133704/ananas/latex/p/2133724/ananas/latex/p/2133733/ananas/latex/p/279/ananas/latex/p/206314/ananas/latex/p/575706/ananas/latex/p/920218/ananas/latex/p/149974/ananas/latex/p/16447
- 2
设,在D上可积，，则 , , .https://mooc1-1.chaoxing.com/ananas/latex/p/27236https://mooc1-1.chaoxing.com/ananas/latex/p/356004https://mooc1-1.chaoxing.com/ananas/latex/p/1153863https://mooc1-1.chaoxing.com/ananas/latex/p/1153883https://mooc1-1.chaoxing.com/ananas/latex/p/1153941https://mooc1-1.chaoxing.com/ananas/latex/p/1153969https://mooc1-1.chaoxing.com/ananas/latex/p/1153978
- 3
设是下半球域：，记 ,， /ananas/latex/p/7809/ananas/latex/p/749116https://mooc1-3.chaoxing.com/ananas/latex/p/749117/ananas/latex/p/749120/ananas/latex/p/749126
- 4
设可微，且，则/ananas/latex/p/2154/ananas/latex/p/902448/ananas/latex/p/54324