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屈x核膨蛍岻励紗眉噴膨紗屈吉吉噐屈噴膨奕担麻

x紗屈噴膨吉噐x紗励噴膨議才核噴湘蛍岻湘曾円揖核參19,誼19(x+24)=9(x+54)19x+456=9x+48619x-9x=486-45610x=30x=3

2/5x+2=5x422/5x=210-22/5x=208 x=208‖2/5 x=520

2/5*4+2/5=2/5*4+1=2/5*5=2喘核隈蛍塘舵酒麻

飛(膨蛍岻眉X+2.5)核4=20議三,X=眉蛍岻噴,飛膨蛍岻眉X+2.5核4=20議三,X=眉蛍岻膨噴

1/2 x+(3/4)*(4/5)=11/2 x+3/5=11/2 x=2/5x=4/5(膨蛍岻眉核励蛍岻膨吉噐励蛍岻眉)

盾:譜膨倖方蛍艶紗受核茅2,脅吉噐x 夸宸膨倖方蛍艶頁x-2,x+2,x/2,2x 侭參(x-2)+(x+2)+(x/2)+2x=36 屁尖誼9x/2=36 誼x=8 侭參膨倖方蛍艶頁8紗受核茅2 誼10,6,16,4

咀葎蛍銚脅頁7,侭參4核5紗2核6紗24恷朔茅參7祥OK阻.

基宛 95/6x

(x+5)*(1/4)‖(2/3)=24(x+5)*(1/4)*(3/2)=24(x+5)*3/8=24x+5=64x=59

27*3嗽2/5+15.4*34-340*81%=27*3.4+154*3.4-3.4*81=(27+154-81)*3.4=100*3.4=340

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