下列计算正确的是() A.(a-b)²=a²-b² B.(a+2b)²=a²+2ab+4b²C.(-a+b)²=a²+2ab+b² D.(-a-b)²=a²+2ab+b²
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![下列计算正确的是() A.(a-b)²=a²-b² B.(a+2b)²=a²+2ab+4b²C.(-a+b)²=a²+2ab+b² D.(-a-b)²=a²+2ab+b²](/uploads/image/z/1813004-44-4.jpg?t=%E4%B8%8B%E5%88%97%E8%AE%A1%E7%AE%97%E6%AD%A3%E7%A1%AE%E7%9A%84%E6%98%AF%EF%BC%88%EF%BC%89+A.%EF%BC%88a-b%29%26%23178%3B%3Da%26%23178%3B-b%26%23178%3B+B.%EF%BC%88a%2B2b%29%26%23178%3B%3Da%26%23178%3B%2B2ab%2B4b%26%23178%3BC.%EF%BC%88-a%2Bb%29%26%23178%3B%3Da%26%23178%3B%2B2ab%2Bb%26%23178%3B+D.%EF%BC%88-a-b%29%26%23178%3B%3Da%26%23178%3B%2B2ab%2Bb%26%23178%3B)
下列计算正确的是() A.(a-b)²=a²-b² B.(a+2b)²=a²+2ab+4b²C.(-a+b)²=a²+2ab+b² D.(-a-b)²=a²+2ab+b²
下列计算正确的是() A.(a-b)²=a²-b² B.(a+2b)²=a²+2ab+4b²
C.(-a+b)²=a²+2ab+b²
D.(-a-b)²=a²+2ab+b²
下列计算正确的是() A.(a-b)²=a²-b² B.(a+2b)²=a²+2ab+4b²C.(-a+b)²=a²+2ab+b² D.(-a-b)²=a²+2ab+b²
D.(-a-b)²=a²+2ab+b²
下列计算正确的是
D.(-a-b)²=a²+2ab+b²