已知有理数a,b,c满足|a-1|+(2b+1)^2+|c+2|=0,试求(-3ab)*(-a^2c)*(6ab^2)的值
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![已知有理数a,b,c满足|a-1|+(2b+1)^2+|c+2|=0,试求(-3ab)*(-a^2c)*(6ab^2)的值](/uploads/image/z/1268102-38-2.jpg?t=%E5%B7%B2%E7%9F%A5%E6%9C%89%E7%90%86%E6%95%B0a%2Cb%2Cc%E6%BB%A1%E8%B6%B3%7Ca-1%7C%2B%EF%BC%882b%2B1%EF%BC%89%5E2%2B%7Cc%2B2%7C%3D0%2C%E8%AF%95%E6%B1%82%EF%BC%88-3ab%EF%BC%89%2A%EF%BC%88-a%5E2c%EF%BC%89%2A%EF%BC%886ab%5E2%EF%BC%89%E7%9A%84%E5%80%BC)
已知有理数a,b,c满足|a-1|+(2b+1)^2+|c+2|=0,试求(-3ab)*(-a^2c)*(6ab^2)的值
已知有理数a,b,c满足|a-1|+(2b+1)^2+|c+2|=0,试求(-3ab)*(-a^2c)*(6ab^2)的值
已知有理数a,b,c满足|a-1|+(2b+1)^2+|c+2|=0,试求(-3ab)*(-a^2c)*(6ab^2)的值
a=1 b=-1/2 c=-2
(-3ab)*(-a^2c)*(6ab^2)=27/2
a=1,b=-1/2,c=-2,代人:(-3*1*-1/2)*1*(6*1*1/4)=2/3*2/3=1