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先化简,再求值:,其中,。-八年级数学
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已知:=3,则=()。-八年级数学
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a,b,c为△ABC的三边,且分式无意义,则△ABC为()三角形。-八年级数学
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You’d better have your shoes.A.mendingB.to mendC.mendD.mended-高三英语
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计算的正确结果是[]A.B.C.D.-八年级数学
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Ratherthan________onacrowdedbus, healwaysprefers_________a bicycle.A.ride; rideB.riding; ride C.ride
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______ twice, the postman refused to deliver our letters unless we chained our dog.A.Being bittenB.B
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先化简,再求值:,其中-八年级数学
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I was chatting on the Internet last night when I smelt somethingin the next room.A.burningB.to burnC
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当x=4时,求-八年级数学
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=()-八年级数学
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请将式子化简后,再从0,1,2三个数中选择一个你喜欢且使原式有意义的x的值代入求值.-八年级数学
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I’ m not used ____ like this .A.being treatedB.treatedC.be treatedD.to being treated-高一英语
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化简的结果为()-八年级数学
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计算的结果为[]A.bB.aC.1D.-八年级数学
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先化简,再求值,其中x=5。-八年级数学
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下列各式正确的是[]A.B.C.D.-八年级数学
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下列分式变形正确的是[]A.B.C.D.-八年级数学
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下列各式与相等的是[]A.B.C.D.-八年级数学
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化简:=();=()-八年级数学
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