4(90-6X)=48的解
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![4(90-6X)=48的解](/uploads/image/z/1626927-15-7.jpg?t=4%2890-6X%29%3D48%E7%9A%84%E8%A7%A3)
4(90-6X)=48的解
4(90-6X)=48的解
4(90-6X)=48的解
90-6x=12 6x=78 x=13
答案为13
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