1.在√49,22/7,-3√27,-2.303303330...,(-√0.6)^2,√8这六个数中,有理数有( )个 A.5个 B.4个 C.3个 D2个2.下列命题说法中:(1)等腰三角形一定是锐角三角形;(2)等腰三角形中有一个外角等于120·,这
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![1.在√49,22/7,-3√27,-2.303303330...,(-√0.6)^2,√8这六个数中,有理数有( )个 A.5个 B.4个 C.3个 D2个2.下列命题说法中:(1)等腰三角形一定是锐角三角形;(2)等腰三角形中有一个外角等于120·,这](/uploads/image/z/5480422-70-2.jpg?t=1.%E5%9C%A8%E2%88%9A49%2C22%2F7%2C-3%E2%88%9A27%2C-2.303303330...%2C%EF%BC%88-%E2%88%9A0.6%29%5E2%2C%E2%88%9A8%E8%BF%99%E5%85%AD%E4%B8%AA%E6%95%B0%E4%B8%AD%2C%E6%9C%89%E7%90%86%E6%95%B0%E6%9C%89%28+%29%E4%B8%AA+A.5%E4%B8%AA+B.4%E4%B8%AA+C.3%E4%B8%AA+D2%E4%B8%AA2.%E4%B8%8B%E5%88%97%E5%91%BD%E9%A2%98%E8%AF%B4%E6%B3%95%E4%B8%AD%EF%BC%9A%EF%BC%881%EF%BC%89%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%E4%B8%80%E5%AE%9A%E6%98%AF%E9%94%90%E8%A7%92%E4%B8%89%E8%A7%92%E5%BD%A2%EF%BC%9B%EF%BC%882%EF%BC%89%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2%E4%B8%AD%E6%9C%89%E4%B8%80%E4%B8%AA%E5%A4%96%E8%A7%92%E7%AD%89%E4%BA%8E120%C2%B7%2C%E8%BF%99)
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