1.已知(A+2)的平方+|2A-3B+13|=0,求代数式3A的平方B+5AB的平方的值.二.去括号.1.A+(4-1/3B+5B的平方)2.20A-1/8(32B+4C)3.-7(3A-24-7AB)4.-(X+1)+(-Y+Z)当A=-1时,求代数式16+2A-{8A-[A-9-(3-6A)]}的值已
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![1.已知(A+2)的平方+|2A-3B+13|=0,求代数式3A的平方B+5AB的平方的值.二.去括号.1.A+(4-1/3B+5B的平方)2.20A-1/8(32B+4C)3.-7(3A-24-7AB)4.-(X+1)+(-Y+Z)当A=-1时,求代数式16+2A-{8A-[A-9-(3-6A)]}的值已](/uploads/image/z/5476370-50-0.jpg?t=1.%E5%B7%B2%E7%9F%A5%EF%BC%88A%2B2%EF%BC%89%E7%9A%84%E5%B9%B3%E6%96%B9%2B%7C2A-3B%2B13%7C%3D0%2C%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8F3A%E7%9A%84%E5%B9%B3%E6%96%B9B%2B5AB%E7%9A%84%E5%B9%B3%E6%96%B9%E7%9A%84%E5%80%BC.%E4%BA%8C.%E5%8E%BB%E6%8B%AC%E5%8F%B7.1.A%2B%EF%BC%884-1%2F3B%2B5B%E7%9A%84%E5%B9%B3%E6%96%B9%EF%BC%892.20A-1%2F8%EF%BC%8832B%2B4C%EF%BC%893.-7%EF%BC%883A-24-7AB%EF%BC%894.-%EF%BC%88X%2B1%EF%BC%89%2B%EF%BC%88-Y%2BZ%EF%BC%89%E5%BD%93A%3D-1%E6%97%B6%2C%E6%B1%82%E4%BB%A3%E6%95%B0%E5%BC%8F16%2B2A-%7B8A-%5BA-9-%EF%BC%883-6A%EF%BC%89%5D%7D%E7%9A%84%E5%80%BC%E5%B7%B2)
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