125em; vertical-align: .25em}
.MJXp-denom {display: inline-table!important; width: 100%}
.MJXp-denom > * {display: table-row!important}
.MJXp-surd {vertical-align: top}
.MJXp-surd > * {display: block!important}
.MJXp-script-box > * {display: table!important; height: 50%}
.MJXp-script-box > * > * {display: table-cell!important; vertical-align: top}
.MJXp-script-box > *:last-child > * {vertical-align: bottom}
.MJXp-script-box > * > * > * {display: block!important}
.MJXp-mphantom {visibility: hidden}
.MJXp-munderover {display: inline-table!important}
.MJXp-over {display: inline-block!important; text-align: center}
.MJXp-over > * {display: block!important}
.MJXp-munderover > * {display: table-row!important}
.MJXp-mtable {vertical-align: .25em; margin: 0 .125em}
.MJXp-mtable > * {display: inline-table!important; vertical-align: middle}
.MJXp-mtr {display: table-row!important}
.MJXp-mtd {display: table-cell!important; text-align: center; padding: .5em 0 0 .5em}
.MJXp-mtr > .MJXp-mtd:first-child {padding-left: 0}
.MJXp-mtr:first-child > .MJXp-mtd {padding-top: 0}
.MJXp-mlabeledtr {display: table-row!important}
.MJXp-mlabeledtr > .MJXp-mtd:first-child {padding-left: 0}
.MJXp-mlabeledtr:first-child > .MJXp-mtd {padding-top: 0}
.MJXp-merror {background-color: #FFFF88; color: #CC0000; border: 1px solid #CC0000; padding: 1px 3px; font-style: normal; font-size: 90%}
.MJXp-scale0 {-webkit-transform: scaleX(.0); -moz-transform: scaleX(.0); -ms-transform: scaleX(.0); -o-transform: scaleX(.0); transform: scaleX(.0)}
.MJXp-scale1 {-webkit-transform: scaleX(.1); -moz-transform: scaleX(.1); -ms-transform: scaleX(.1); -o-transform: scaleX(.1); transform: scaleX(.1)}
.MJXp-scale2 {-webkit-transform: scaleX(.2); -moz-transform: scaleX(.2); -ms-transform: scaleX(.2); -o-transform: scaleX(.2); transform: scaleX(.2)}
.MJXp-scale3 {-webkit-transform: scaleX(.3); -moz-transform: scaleX(.3); -ms-transform: scaleX(.3); -o-transform: scaleX(.3); transform: scaleX(.3)}
.MJXp-scale4 {-webkit-transform: scaleX(.4); -moz-transform: scaleX(.4); -ms-transform: scaleX(.4); -o-transform: scaleX(.4); transform: scaleX(.4)}
.MJXp-scale5 {-webkit-transform: scaleX(.5); -moz-transform: scaleX(.5); -ms-transform: scaleX(.5); -o-transform: scaleX(.5); transform: scaleX(.5)}
.MJXp-scale6 {-webkit-transform: scaleX(.6); -moz-transform: scaleX(.6); -ms-transform: scaleX(.6); -o-transform: scaleX(.6); transform: scaleX(.6)}
.MJXp-scale7 {-webkit-transform: scaleX(.7); -moz-transform: scaleX(.7); -ms-transform: scaleX(.7); -o-transform: scaleX(.7); transform: scaleX(.7)}
.MJXp-scale8 {-webkit-transform: scaleX(.8); -moz-transform: scaleX(.8); -ms-transform: scaleX(.8); -o-transform: scaleX(.8); transform: scaleX(.8)}
.MJXp-scale9 {-webkit-transform: scaleX(.9); -moz-transform: scaleX(.9); -ms-transform: scaleX(.9); -o-transform: scaleX(.9); transform: scaleX(.9)}
.MathJax_PHTML .noError {vertical-align: ; font-size: 90%; text-align: left; color: black; padding: 1px 3px; border: 1px solid}
</style></head>
<body><div id="BAIDU_DUP_fp_wrapper" style="position: absolute; left: -1px; bottom: -1px; z-index: 0; width: 0px; height: 0px; overflow-x: hidden; overflow-y: hidden; visibility: hidden; display: none; "><iframe id="BAIDU_DUP_fp_iframe" src="https://pos.baidu.com/wh/o.htm?ltr=" style="width: 0px; height: 0px; visibility: hidden; display: none; " allowfullscreen="true"></iframe></div><div id="MathJax_Message" style="display: none; "></div><svg aria-hidden="true" style="position: absolute; width: 0px; height: 0px; overflow-x: hidden; overflow-y: hidden; "><symbol id="icon-fanhui" viewBox="0 0 1024 1024"><path d="M825.6 116.8L416 512l411.2 395.2c8 8 8 19.2 0 25.6l-88 84.8c-8 8-19.2 8-27.2 0L198.4 524.8c-8-8-8-19.2 0-25.6L710.4 4.8c8-8 19.2-8 27.2 0l88 84.8c8 8 8 19.2 0 27.2"></path></symbol><symbol id="icon-qingchuneirong" viewBox="0 0 1024 1024"><path d="M512 436.8L948.8 0 1024 75.2 587.2 512 1024 948.8 948.8 1024 512 587.2 75.2 1024 0 948.8 436.8 512 0 75.2 75.2 0z"></path></symbol><symbol id="icon-sousuo" viewBox="0 0 1024 1024"><path d="M1024 932.8L934.4 1024 689.6 777.6c-72 56-161.6 89.6-259.2 89.6C192 865.6 0 672 0 433.6 0 193.6 192 0 428.8 0s428.8 193.6 428.8 433.6c0 94.4-30.4 180.8-81.6 252.8L1024 932.8zM428.8 105.6c-179.2 0-324.8 147.2-324.8 328s145.6 328 324.8 328 324.8-147.2 324.8-328c0-182.4-145.6-328-324.8-328z"></path></symbol><symbol id="icon-xialakuang" viewBox="0 0 1024 1024"><path d="M512 768l512-512H0z"></path></symbol><symbol id="icon-wap_toolbar_download" viewBox="0 0 3713 1024"><path d="M689.25504 396.8c-9.6 80 76.8 131.2 211.2 163.2 96 22.4 131.2 28.8 128 60.8-3.2 35.2-51.2 60.8-137.6 60.8-80 0-179.2-16-224-35.2l-16 118.4c44.8 16 124.8 35.2 220.8 35.2 227.2 0 339.2-80 348.8-169.6 9.6-80-54.4-128-195.2-166.4-105.6-28.8-147.2-28.8-144-64 3.2-28.8 44.8-54.4 124.8-54.4s198.4 16 227.2 25.6l16-118.4c-48-16-137.6-22.4-233.6-22.4-192 0-316.8 73.6-326.4 166.4zM1994.85504 262.4l-22.4 227.2-32 291.2h160l32-294.4c6.4-51.2 12.8-121.6 12.8-121.6s32-9.6 92.8-9.6c179.2-3.2 140.8 108.8 134.4 166.4l-28.8 259.2h163.2l28.8-284.8c22.4-156.8-22.4-332.8-540.8-233.6zM1815.65504 310.4c-64-48-169.6-70.4-300.8-70.4-76.8 0-134.4 3.2-169.6 9.6l-54.4 531.2c54.4 9.6 124.8 12.8 201.6 12.8 128 0 211.2-16 278.4-57.6 73.6-41.6 124.8-108.8 134.4-204.8 6.4-105.6-32-176-89.6-220.8z m-70.4 214.4c-9.6 89.6-102.4 153.6-230.4 153.6-32 0-48-3.2-60.8-6.4l32-320c12.8-3.2 38.4-3.2 54.4-3.2 134.4 3.2 217.6 48 204.8 176z" fill="#231916"></path><path d="M1.25504 518.4c-16 160 121.6 278.4 377.6 278.4 89.6 0 153.6-6.4 185.6-19.2l12.8-121.6c-35.2 9.6-112 19.2-163.2 19.2-150.4 0-227.2-54.4-217.6-163.2 12.8-124.8 124.8-163.2 256-163.2 60.8 0 134.4 9.6 166.4 19.2l16-128c-44.8-9.6-96-16-182.4-16C228.45504 224 23.65504 329.6 1.25504 518.4z" fill="#C92027"></path><path d="M3172.45504 345.6v35.2h-220.8v76.8c64 32 128 67.2 195.2 112l-22.4 32c-67.2-44.8-124.8-80-172.8-105.6v291.2H2913.25504V380.8h-195.2v-35.2h454.4zM3358.05504 358.4V316.8h35.2v41.6h92.8v35.2H3393.25504v48h121.6c-3.2-38.4-3.2-80-3.2-124.8h35.2c0 48 0 89.6 3.2 124.8h128v32h-128c3.2 44.8 6.4 83.2 12.8 112 3.2 16 6.4 28.8 9.6 41.6 19.2-38.4 32-80 44.8-128l32 16c-16 64-38.
Back to home |
File page
Subscribe |
Register |
Login
| N