解:x-5/8=5/8x=5/8+5/8x=5/4 x+3/8-1/8=7/4x=7/4+1/8-3/8x=3/2 x+5/12=1/2+5/9x=1/2+5/9-5/12x=18/36+20/36-15/36x=23/36 x-(1/2+1/3)=9/10x=9/10+1/2+1/3x=27/30+15/30+10/30x=52/30x=26/15
不懂