A: [img=91x22]1803e2532bb2b71.png[/img]
B: [img=91x22]1803e2533497824.png[/img]
C: [img=91x22]1803e2533dca552.png[/img]
D: [img=91x22]1803e25346d5654.png[/img]
举一反三
- 公式[img=147x25]18034a019468d3a.png[/img]的成真赋值为 A: [img=91x22]18034a019cdec0a.png[/img] B: [img=91x22]18034a01a644d61.png[/img] C: [img=91x22]18034a01ae6ff7c.png[/img] D: [img=91x22]18034a01b68fc35.png[/img]
- 已知平面区域 [img=204x40]18031b8bddbff1b.png[/img], 记 [img=697x48]18031b8be969df7.png[/img]则 A: [img=91x22]18031b8bf2131b7.png[/img] B: [img=91x22]18031b8bfa79c1a.png[/img] C: [img=91x22]18031b8c0390201.png[/img] D: [img=91x22]18031b8c0c51352.png[/img]
- 设 [img=167x51]18038f32812ec20.png[/img]，[img=177x51]18038f328b8a3b0.png[/img] ,[img=163x50]18038f3297735bf.png[/img]的大小顺序为（ ） A: [img=91x22]18038f32a02be80.png[/img] B: [img=91x22]18038f32a90607c.png[/img] C: [img=91x22]18038f32b24fb13.png[/img] D: [img=91x22]18038f32ba98158.png[/img]
- 设[img=199x29]180358ba0dd7ab1.png[/img][img=157x48]180358ba1b7736a.png[/img][img=157x48]180358ba286a7cc.png[/img][img=210x48]180358ba3350eb6.png[/img]则[img=57x23]180358ba3bb1e08.png[/img]的大小顺序为（ ） A: [img=91x22]180358ba4427a9d.png[/img] B: [img=91x22]180358ba4db0ccd.png[/img] C: [img=91x22]180358ba55eaee8.png[/img] D: [img=91x22]180358ba5ea89d3.png[/img]
- 已知随机变量X的分布函数为[img=136x49]1803b69024c8270.png[/img] ，则X的均值和方差分别为 A: E(X)=2, D(X)=4 B: E(X)=4, D(x)=2 C: [img=162x43]1803b6902cd8bfb.png[/img] D: [img=162x43]1803b69034d9ffd.png[/img]
内容
- 0
利用定积分的性质可知，定积分[img=111x51]1802dc24199784a.png[/img]，[img=111x51]1802dc2421b8761.png[/img]，[img=132x51]1802dc2429a8379.png[/img]的大小关系是（ ）． A: [img=91x22]1802dc2431d9b45.png[/img] B: [img=91x22]1802dc243943d63.png[/img] C: [img=91x22]1802dc2440f3b4b.png[/img] D: [img=91x22]1802dc244a1a5f2.png[/img]
- 1
利用定积分的性质可知，定积分[img=121x51]1802dc3d64a7bc7.png[/img]，[img=140x51]1802dc3d6c579e6.png[/img]，[img=121x51]1802dc3d7460535.png[/img]的大小关系是（ ）． A: [img=91x22]1802dc3d7dbb2da.png[/img] B: [img=91x22]1802dc3d8568a48.png[/img] C: [img=91x22]1802dc3d8d7ab44.png[/img] D: [img=91x22]1802dc3d95a8bb3.png[/img]
- 2
利用定积分的性质可知，定积分[img=111x51]1802dbd95064f6a.png[/img]，[img=111x51]1802dbd958e9869.png[/img]，[img=132x51]1802dbd961ff84f.png[/img]的大小关系是（ ）． A: [img=91x22]1802dbd96a62f6d.png[/img] B: [img=91x22]1802dbd9741b986.png[/img] C: [img=91x22]1802dbd97bfc32d.png[/img] D: [img=91x22]1802dbd983d7637.png[/img]
- 3
利用定积分的性质可知，定积分[img=121x51]1802dbd9ca6fc11.png[/img]，[img=140x51]1802dbd9d392883.png[/img]，[img=121x51]1802dbd9dc1e968.png[/img]的大小关系是（ ）． A: [img=91x22]1802dbd9e4b19ba.png[/img] B: [img=91x22]1802dbd9ed716cf.png[/img] C: [img=91x22]1802dbd9f612977.png[/img] D: [img=91x22]1802dbd9fea39cb.png[/img]
- 4
利用定积分的性质可知，定积分[img=111x51]1802cf7a6115dc4.png[/img]，[img=111x51]1802cf7a692bf56.png[/img]，[img=132x51]1802cf7a711817b.png[/img]的大小关系是（ ）． A: [img=91x22]1802cf7a7a02df1.png[/img] B: [img=91x22]1802cf7a831c561.png[/img] C: [img=91x22]1802cf7a8bf05b6.png[/img] D: [img=91x22]1802cf7a9489069.png[/img]