1如果ab互为相反数,cd互为倒数,X的绝对值是1.求a+b/x+x²+cd的值.2求阴影部分的面积如图图中多边形的面积是多少3、、(1/11+1/12+1/12+1/14+1/15)×(1/12+1/13+1/14+1/15+1/16)-(1/11+1/12+1/13+1/14+1/15+1/16)×(1/
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![1如果ab互为相反数,cd互为倒数,X的绝对值是1.求a+b/x+x²+cd的值.2求阴影部分的面积如图图中多边形的面积是多少3、、(1/11+1/12+1/12+1/14+1/15)×(1/12+1/13+1/14+1/15+1/16)-(1/11+1/12+1/13+1/14+1/15+1/16)×(1/](/uploads/image/z/1594401-33-1.jpg?t=1%E5%A6%82%E6%9E%9Cab%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2Ccd%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2CX%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E6%98%AF1.%E6%B1%82a%2Bb%2Fx%2Bx%26%23178%3B%2Bcd%E7%9A%84%E5%80%BC.2%E6%B1%82%E9%98%B4%E5%BD%B1%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%A6%82%E5%9B%BE%E5%9B%BE%E4%B8%AD%E5%A4%9A%E8%BE%B9%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%913%E3%80%81%E3%80%81%281%2F11%2B1%2F12%2B1%2F12%2B1%2F14%2B1%2F15%29%C3%97%281%2F12%2B1%2F13%2B1%2F14%2B1%2F15%2B1%2F16%29-%281%2F11%2B1%2F12%2B1%2F13%2B1%2F14%2B1%2F15%2B1%2F16%EF%BC%89%C3%97%EF%BC%881%2F)
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