Toán Lớp 8: 1.|5x-3|=2x^2
2.|x+1|+2|x-3|=10
3.2|x-1|+3|2x-9=17
Giúp em với ạ !
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Toán Lớp 8: 1.|5x-3|=2x^2
2.|x+1|+2|x-3|=10
3.2|x-1|+3|2x-9=17
Giúp em với ạ !
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