分解因式3.(1)x平方-14x+49 (2) -64x平方+16xy-y平方(3)a²+ab+¼b² (4)0.04a²+0.24a+0.36 5.(1)(a-b)²-10(a-b)+25 (2)4a²-3b(4a-3b)6.(1)-ab+2a²b-a³b (2)16m四次方-
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![分解因式3.(1)x平方-14x+49 (2) -64x平方+16xy-y平方(3)a²+ab+¼b² (4)0.04a²+0.24a+0.36 5.(1)(a-b)²-10(a-b)+25 (2)4a²-3b(4a-3b)6.(1)-ab+2a²b-a³b (2)16m四次方-](/uploads/image/z/810576-0-6.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F3.%EF%BC%881%EF%BC%89x%E5%B9%B3%E6%96%B9-14x%2B49+%EF%BC%882%EF%BC%89+-64x%E5%B9%B3%E6%96%B9%2B16xy-y%E5%B9%B3%E6%96%B9%EF%BC%883%EF%BC%89a%26%23178%3B%2Bab%2B%26%23188%3Bb%26%23178%3B+%EF%BC%884%EF%BC%890.04a%26%23178%3B%2B0.24a%2B0.36+5.%EF%BC%881%EF%BC%89%EF%BC%88a-b%EF%BC%89%26%23178%3B-10%EF%BC%88a-b%EF%BC%89%2B25+%EF%BC%882%EF%BC%894a%26%23178%3B-3b%EF%BC%884a-3b%EF%BC%896.%EF%BC%881%EF%BC%89-ab%2B2a%26%23178%3Bb-a%26%23179%3Bb+%EF%BC%882%EF%BC%8916m%E5%9B%9B%E6%AC%A1%E6%96%B9-)
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