二次积分[img=343x58]18038355f9740fe.png[/img]交换积分次序后为（ ）.
A: [img=169x56]18038356042e4c3.png[/img]
B: [img=158x51]180383560eee270.png[/img]
C: [img=169x52]1803835619db019.png[/img]
D: [img=158x55]180383562575626.png[/img]
A: [img=169x56]18038356042e4c3.png[/img]
B: [img=158x51]180383560eee270.png[/img]
C: [img=169x52]1803835619db019.png[/img]
D: [img=158x55]180383562575626.png[/img]
举一反三
- 二次积分[img=343x58]18030316bb3aae5.png[/img]交换积分次序后为（ ）. A: [img=169x56]18030316c5d9cfc.png[/img] B: [img=158x51]18030316d075a54.png[/img] C: [img=169x52]18030316dc45dbe.png[/img] D: [img=158x55]18030316e771968.png[/img]
- 令F(x):x是有理数,G(x):x是实数。将命题“所有的有理数都是实数,但有的有实数不是有理数”符号化为() 未知类型：{'options': ['17e0a83a4157352.jpgx(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)∧G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)∧[img=10x11]17e0a839b915354.jpg[/img]F(x))', ' [img=8x14]17e0a83a4157352.jpg[/img]x(F(x)[img=14x9]17e0a73094b5dcf.jpg[/img]G(x))∧[img=8x14]17e0a83a35505d4.jpg[/img]x(G(x)[img=14x9]17e0a73094b5dcf.jpg[/img][img=10x11]17e0a839b915354.jpg[/img]F(x))'], 'type': 102}
- 二次积分[img=389x58]1803835380e5bc3.png[/img]交换积分次序后为 A: [img=187x54]180383538bed5bf.png[/img] B: [img=153x52]1803835395cee0a.png[/img] C: [img=177x54]18038353a08dc75.png[/img] D: [img=187x56]18038353ab962cf.png[/img]
- 二次积分[img=389x58]1802cf06337a056.png[/img]交换积分次序后为 A: [img=187x54]1802cf063e73235.png[/img] B: [img=153x52]1802cf0649106bc.png[/img] C: [img=177x54]1802cf06538ebdc.png[/img] D: [img=187x56]1802cf065ecdcab.png[/img]
- 二次积分[img=275x47]1803d465201c2ca.png[/img]交换积分次序后为（ ）. A: [img=119x36]1803d4652c55a50.png[/img] B: [img=128x38]1803d4653804950.png[/img] C: [img=122x41]1803d46542150fa.png[/img] D: [img=128x41]1803d4654c3ee58.png[/img]