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1、3X+5X=483X+5X=4814X14X8X=128X=126 65+2X=445+2X=4420X-50=5020X-50=5028+6X=8828+6X=8832-22X=1032-22X=1024-3X=324-3X=310X10X（5+15+1）=60=6099X=10099X=100X XX+3=18X+3=18X-6=12X-6=1256562X=202X=204y+2=64y+2=6x+32=76x+32=763x+6=183x+6=1816+8x=4016+8x=402x-8=82x-8=84x-3*9=294x-3*9=298x8x3x=1053x=105x-6x-65=
2、425=42x+5=7x+5=72x+3=102x+3=1012x12x9x=99x=96x+18=486x+18=4856x56x50 x=3050 x=305x=155x=1578-5x=2878-5x=2832y32y29=329=35x+5=155x+5=1589x89x9=809=80100-20 x=20100-20 x=2055x55x25x=6025x=6076y-75=176y-75=123y-23=2323y-23=234x4x20=020=080y+20=10080y+20=10053x53x90=1690=162x+9x=112x+9x=1112y-12=2412y-1
3、2=2480+5x=10080+5x=1007x-8=67x-8=665x+35=10065x+35=10019y+y=4019y+y=4025255x=155x=1579y+y=8079y+y=8042x+28x=14042x+28x=1403x3x1=81=890y-90=9090y-90=9080y-90=7080y-90=7078y+2y=16078y+2y=1608888x=80 x=809 94x=14x=188-20 x=4088-20 x=4065y-30=10065y-30=10051y51yy=100y=10085y+1=85y+1=868645x-50=4045x-50=
4、40 x=2x=23 33x=x+13x=x+1x=2xx=2x2 210=x+110=x+110=2x+110=2x+110=3x+110=3x+111=4x+111=4x+111=2x+111=2x+111=3x+111=3x+111=5x+2311=5x+2311=6x+12311=6x+12311=7x+211=7x+211=12x+3411=12x+3411=9x+111=9x+111=9x+211=9x+221=4x+121=4x+121=2x+121=2x+121=3x+121=3x+121=5x+2321=5x+2331=12x+3431=12x+3421=6x+12321=6
5、x+12321=7x+221=7x+221=12x+3421=12x+3421=9x+121=9x+121=9x+221=9x+231=4x+131=4x+131=2x+131=2x+131=3x+131=3x+131=5x+2331=5x+2331=6x+12331=6x+12331=7x+231=7x+231=9x+131=9x+131=9x+231=9x+212=4x+112=4x+112=2x+112=2x+112=3x+112=3x+112=5x+2312=5x+231=6x+1231=6x+12312=7x+212=7x+212=12x+3412=12x+3412=9x+112=9x+112=9x+212=9x+212x+36=6012x+36=60