│2a-3b-7│+(2a+3b-1)²=0 求:(2ab²)²*(3/4ab)-(-3/2a²b)²的值蟹蟹了>0
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![│2a-3b-7│+(2a+3b-1)²=0 求:(2ab²)²*(3/4ab)-(-3/2a²b)²的值蟹蟹了>0](/uploads/image/z/4614619-67-9.jpg?t=%E2%94%822a-3b-7%E2%94%82%2B%282a%2B3b-1%29%26%23178%3B%3D0+%E6%B1%82%EF%BC%9A%282ab%26%23178%3B%29%26%23178%3B%2A%283%2F4ab%29-%28-3%2F2a%26%23178%3Bb%29%26%23178%3B%E7%9A%84%E5%80%BC%E8%9F%B9%E8%9F%B9%E4%BA%86%3E0)
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│2a-3b-7│+(2a+3b-1)²=0 求:(2ab²)²*(3/4ab)-(-3/2a²b)²的值蟹蟹了>0
│2a-3b-7│+(2a+3b-1)²=0 求:(2ab²)²*(3/4ab)-(-3/2a²b)²的值
蟹蟹了>0
│2a-3b-7│+(2a+3b-1)²=0 求:(2ab²)²*(3/4ab)-(-3/2a²b)²的值蟹蟹了>0
由
│2a-3b-7│+(2a+3b-1)²=0
推出:2a-3b-7=0 2a+3b-1=0
得出
a=2
b=-1