[tex=2.214x1.0]Befsn3ugGBTk6Sdx/55UlQ==[/tex]理想气体由[tex=5.0x1.0]rd2PV7zdqiNefmTPY5Uozw==[/tex],[tex=2.286x1.214]q1dwenU4yOEbZegEq5rYbA==[/tex],[tex=3.143x1.0]BjemZay2XaZaHd1vl/cSjA==[/tex]在恒外压[tex=5.0x1.0]qasgYya4zZT5TBZEBEQclA==[/tex]下膨胀至[tex=2.786x1.214]wihrKRFWJ4IL/xsjHYTYTA==[/tex],压力等于外压求此过程的[tex=0.857x1.214]ChdusW5rAupjge6v/DGHRA==[/tex](已知[tex=10.0x1.5]s8uvBSgkxfNkv/aWe7osdjn08NlkiQwabDAvWA09Jr6p3tD+INWZUpsXyEgkhpna[/tex],始态熵值[tex=6.929x1.429]76ivowIhmIroA8K/EL8JblKKKobKsKG+waGQOzfRP9Q=[/tex])
举一反三
- [tex=2.214x1.0]Befsn3ugGBTk6Sdx/55UlQ==[/tex]理想气体由[tex=5.0x1.0]rd2PV7zdqiNefmTPY5Uozw==[/tex],[tex=2.286x1.214]q1dwenU4yOEbZegEq5rYbA==[/tex],[tex=3.143x1.0]BjemZay2XaZaHd1vl/cSjA==[/tex]在恒外压[tex=5.0x1.0]qasgYya4zZT5TBZEBEQclA==[/tex]下膨胀至[tex=2.786x1.214]wihrKRFWJ4IL/xsjHYTYTA==[/tex],压力等于外压求此过程的[tex=1.0x1.0]0e+76hgEqXhGRszRQWFSzQ==[/tex](已知[tex=10.0x1.5]s8uvBSgkxfNkv/aWe7osdjn08NlkiQwabDAvWA09Jr6p3tD+INWZUpsXyEgkhpna[/tex],始态熵值[tex=6.929x1.429]76ivowIhmIroA8K/EL8JblKKKobKsKG+waGQOzfRP9Q=[/tex])
- 6个顶点11条边的所有非同构的连通的简单非平面图有[tex=2.143x2.429]iP+B62/T05A6ZTM0eeaWiQ==[/tex]个,其中有[tex=2.143x2.429]ndZSw3zT0QTOVLVdoUto1Q==[/tex]个含子图[tex=1.786x1.286]J+vVZa2YaMpc6mJBbqVvWw==[/tex],有[tex=2.143x2.429]lmhx48evnQMhi03NovPXig==[/tex]个含与[tex=1.214x1.214]kFXZ1uR8GjycbJx+Ts2kyQ==[/tex]同胚的子图。供选择的答案[tex=3.071x1.214]3KinXFh3SXhZ7nIe1y9KEV6aadxhhJWeEy6Dij1iObdMUZkY6ZA5J2dVVjPSuhEf[/tex]:(1) 1 ;(2) 2 ;(3) 3 ; (4) 4 ;(5) 5 ;(6) 6 ; (7) 7 ; (8) 8 。
- 求函数[tex=3.286x1.429]kdT+eIE7CHPynuN6CaN40g==[/tex](抛物线)隐函数的导数[tex=1.071x1.429]BUw1BPFU3fsJlAl/vt9M9w==[/tex]当x=2与y=4及当x=2与y=0时,[tex=0.786x1.357]Hq6bf3CacUy07X+VImUMaA==[/tex]等于什么?
- 判断下列命题是否为真:(1)[tex=3.643x1.357]/5abqJjwKZ1qr+6hsVFF5EBvfq3ggOFNlHMClz0h9nk=[/tex](2)[tex=2.929x1.357]rGJpyjIjJpbcoBTWxP0Jiw==[/tex](3)[tex=4.5x1.357]2wycHMoqU83MyEp17iBils58bR7YLuCTI2G9NVAdlfY=[/tex](4)[tex=5.214x1.357]CTz2gu+IIm1GgNmYMGaduCRtA41wnW4WqwRWwEhq6aA=[/tex](5)[tex=4.857x1.357]1DcE2BMMOaZhTuxR/mjgsboXxfg5ET59Dp4I/jjEDuw=[/tex](6)[tex=4.643x1.357]BSryrsQYOvTP2hTWRu6t4nAuJwlSs4L9jaq70EpB+Us=[/tex](7)若[tex=6.0x1.357]y0IZLUnBO88nR8WBZYvd7QXv5S1OMINV5cQNzPyiyAc=[/tex],则[tex=3.429x1.357]1brfPwTkVVIX4GfoMIUskA==[/tex](8)若[tex=7.643x1.357]MhLfJXZnhbXiB0x3oNtFzThV4Y1mJxe1VYr7PkJE/T6hmTD3WWp+UxbNwvUQ6DHk[/tex],则[tex=4.143x1.357]LZUA94ISo1po5HWsOVeBCjo0rMvj7uw3bGw5HiZenrI=[/tex]
- 有容量分别为[tex=3.286x1.286]pCZ+fPe3X5XtlIcXCf6RGw==[/tex]和[tex=3.286x1.286]JjWMjbwalVPPThZBywJsLQ==[/tex]的独立随机样本得到下述观测结果, (X、 Y为观测值, f为频数)X 12.3 12.5 12.8 13.0 13.5 Y 12.2 12.3 13.0f 1 2 4 2 1 f 6 8 2现已知变量X、Y的总体均呈正态分布。请问在0.05的显著性水平下,可否认为这两个总体属同一分布?[tex=24.786x1.286]OVWwFMgiPzBDnRSqBYypUv4puOxaqZVbzeGoYhEt/ZwiQxP0kGgAAWuaJInyBhH09xLkSWqB6n3qd1WXaKpfvwUNfmmVSMJTzi4wz4IT6q4=[/tex][tex=8.429x1.286]AcUD6cTXhAghaQMem3GRbFMfFVpZHcyA3tP0z+S7RAk=[/tex] [tex=13.357x1.357]ZPe8nXNlBeMmW2cEA+D6DaqP/loFbcVH2QukDH1SMofLM6E74nDyl0WrH8imm/Ai[/tex]