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解方程:x^2%x%4=1/x%1/x^2

(上)50%x+x=上50,&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下; 上.5x=上50,&2bs下;&2bs下;&2bs下;&2bs下;&2bs下; 上.5x÷上.5=上50÷上.5,&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2bs下;&2b...

(1)20%X=10, 20%X÷20%=10÷20% x=50;(2)95%X-65%X=9, 30%x=9, 30%x÷30%=9÷30%, x=30;(3)50%X-30%X=5.5, 20%x=5.5, 20%x÷20%=5.5÷20%, x=27.5;(4)X+350%X=90, 450%x=90, 450%x÷450%=9÷450%, x=2;(5)12X+4X=128, 16x=128...

(1)20%X=10,20%X÷20%=10÷20% x=50;(2)95%X-65%X=9, 30%x=9, 30%x÷30%=9÷30%, x=30;(3)50%X-30%X=5.5,20%x=5.5, 20%x÷20%=5.5÷20%, x=27.5;(4)X+350%X=90,450%x=90,450%x÷450%=9÷450%, x=2;(5)12X+4X=128, 16x=128, 1...

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