热门数学推荐
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1,13,24,27,37,43,59,79,64,85这些数中,质数和合数有哪些?速求!
如图,在三角形ABC中,角BAC=90度,AB=AC,D是BC中点,点E、F分别在AC、AB上,且AE=BF.求BE^2CF^2=EF^2①如图,在三角形ABC中,角BAC=90°,AB=AC=6,D为BC的中点,E、F分别是AB、AC上的点.求证BE^2+CF^2=EF^2.②化简:根号下
【选词填空putinto,addto,mixup,cutup,pourinto1.Ifyou___5___6,youget112.选词填空putinto,addto,mixup,cutup,pourinto1.Ifyou___5___6,youget112.Youmustpeelthepotatoesfirst,Andthen____them____3.Let's___allthebooks】