在十分钟内回答,1.已知A和B互为相反数,M和N互为倒数,C=-〔-(+2)〕,求2A+2B+C分之MN的值2.若2-2B乘以(2A+2)=1,判断A,B的关系3.已知数轴上点A和点B分别表示互为相反数的两个数a,b
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![在十分钟内回答,1.已知A和B互为相反数,M和N互为倒数,C=-〔-(+2)〕,求2A+2B+C分之MN的值2.若2-2B乘以(2A+2)=1,判断A,B的关系3.已知数轴上点A和点B分别表示互为相反数的两个数a,b](/uploads/image/z/537186-66-6.jpg?t=%E5%9C%A8%E5%8D%81%E5%88%86%E9%92%9F%E5%86%85%E5%9B%9E%E7%AD%94%2C1.%E5%B7%B2%E7%9F%A5A%E5%92%8CB%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%2CM%E5%92%8CN%E4%BA%92%E4%B8%BA%E5%80%92%E6%95%B0%2CC%EF%BC%9D%EF%BC%8D%E3%80%94%EF%BC%8D%EF%BC%88%EF%BC%8B2%EF%BC%89%E3%80%95%2C%E6%B1%822A%EF%BC%8B2B%EF%BC%8BC%E5%88%86%E4%B9%8BMN%E7%9A%84%E5%80%BC2%EF%BC%8E%E8%8B%A52-2B%E4%B9%98%E4%BB%A5%EF%BC%882A%EF%BC%8B2%EF%BC%89%EF%BC%9D1%2C%E5%88%A4%E6%96%ADA%2CB%E7%9A%84%E5%85%B3%E7%B3%BB3%EF%BC%8E%E5%B7%B2%E7%9F%A5%E6%95%B0%E8%BD%B4%E4%B8%8A%E7%82%B9A%E5%92%8C%E7%82%B9B%E5%88%86%E5%88%AB%E8%A1%A8%E7%A4%BA%E4%BA%92%E4%B8%BA%E7%9B%B8%E5%8F%8D%E6%95%B0%E7%9A%84%E4%B8%A4%E4%B8%AA%E6%95%B0a%2Cb)
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