有几道数学题不懂啊,1.若x+2的绝对值+y-3的绝对值=0,则x+y的绝对值的值为( )2.(-1.5)的二次方-(-3)-(+2又四分之一)-三分之二3.-1的二次方+3乘(-2)的三次方+(-6)除以(-三分之一)的
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![有几道数学题不懂啊,1.若x+2的绝对值+y-3的绝对值=0,则x+y的绝对值的值为( )2.(-1.5)的二次方-(-3)-(+2又四分之一)-三分之二3.-1的二次方+3乘(-2)的三次方+(-6)除以(-三分之一)的](/uploads/image/z/5918363-35-3.jpg?t=%E6%9C%89%E5%87%A0%E9%81%93%E6%95%B0%E5%AD%A6%E9%A2%98%E4%B8%8D%E6%87%82%E5%95%8A%2C1.%E8%8B%A5x%2B2%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%2By-3%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%3D0%2C%E5%88%99x%2By%E7%9A%84%E7%BB%9D%E5%AF%B9%E5%80%BC%E7%9A%84%E5%80%BC%E4%B8%BA%EF%BC%88+%EF%BC%892.%EF%BC%88-1.5%EF%BC%89%E7%9A%84%E4%BA%8C%E6%AC%A1%E6%96%B9-%EF%BC%88-3%EF%BC%89-%EF%BC%88%2B2%E5%8F%88%E5%9B%9B%E5%88%86%E4%B9%8B%E4%B8%80%EF%BC%89-%E4%B8%89%E5%88%86%E4%B9%8B%E4%BA%8C3.-1%E7%9A%84%E4%BA%8C%E6%AC%A1%E6%96%B9%2B3%E4%B9%98%EF%BC%88-2%EF%BC%89%E7%9A%84%E4%B8%89%E6%AC%A1%E6%96%B9%2B%EF%BC%88-6%EF%BC%89%E9%99%A4%E4%BB%A5%EF%BC%88-%E4%B8%89%E5%88%86%E4%B9%8B%E4%B8%80%EF%BC%89%E7%9A%84)
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