zxqsyr2010-11-24TA获得超过14.3万个赞关注4x+27=634x=63-274x=36x=94x+9X3=634x+27=634x=63-274x=36x=93x-8=193x=19+83x=27x=93x-2X4=193x-8=193x=19+83x=27x=96x+4x5=686x+20=686x=68-206x=48x=812x-7X2=8212x-14=8212x=82+1412x=96x=86x+1.5X4=23.46x+6=23.46x=23.4-66x=17.4x=2.90.4x-0.5X2=1.40.4x-1=1.40.4x=1.4+10.4x=2.4x=68(x+1.5)=14.48x+12=14.48x=14.4-128x=2.4x=0.32(x+3.5)=12.62x+7=12.62x=12.6-72x=5.6x=2.83(x-1.2)=7.23x-3.6=7.23x=7.2+3.63x=10.8x=3.69(x-3.8)=108x-3.8=12x=12+3.8x=15.83x-4X6=273x-24=273x=27+243x=51x=177(x+18)=126x+18=18x=18-18x=05x+0.6X0.5=18.55x+0.3=18.55x=18.5-0.35x=18.2x=3.64