【lianxiti】
BG真人版1.jia、yiliangweigongchengshigongtongkaifayikuanruanjian,gongdebaochou9800yuan。jiagongchengshigongzuole8tian,yigongchengshigongzuole10tian,jiagongchengshi5tiandegongzidengyuyigongchengshi6tiandegongzi,zeyigongchengshikededuoshaobaochou?
BG真人版a.4800yuan b.5000yuan c.5200yuan d.5400yuan
2.jia、yizaiyinxingcunkuangong9600yuan,ruguoliangrenquzougezicunkuande40%,ranhoujiazaicongcunkuanzhongzhuanzhang120yuanjiyi,zheishiliangrencunkuanxiangdeng。neime,yideyuancunkuanshuwei( )。
BG真人版a.4500 b.4600 c.4680 d.4740
BG真人版3.yidaxinggongsizhaopin92ren,qizhongxingzhengrenyuangongzi1500,guanlirenyuangongzi2500,guanlirenyuandezonggongzibixingzhengrenyuanduo40%,qingwenguanlirenyuanbixingzhengrenyuanshaoduoshaoren?
a.8 b.4 c.6 d.5
4.yizhongdianzizuqiuyouxijifenguizeruxia,tijinyigeqiukede2fen,tibujinkou9fen。xiaozhangyichangbisaidele134fen,wenyouduoshaogeqiumeitijin?
BG真人版a.5 b.6 c.7 d.9
【cankaodaan】
BG真人版1.【daan】b。jiexi: genjujia5tiandegongzidengyuyi6tiandegongzi,keyidezhijiayidegongzizhibiwei6: 5,gushejiameitiangongziwei6xyuan,zeyimeitiangongziwei5x,ze48x+50x=9800,zex=100yuan,zeyimeitiangongzi500yuan,qidedaodebaochouwei500×10=5000yuan,gudaanxuanb。
2.【daan】b。jiexi: sheyideyuancunkuanshushixyuan,zejiadeyuancunkuanshushi(9600-x)yuan,genjutiyi,you(1-40%)×(9600-x)-120=(1-40%)x+120,jiedex=4600,xuanb。
3.【daan】a。jiexi: sheguanlirenyuanxren,xingzhengrenyuanyren,zeyoux+y=92;2500x=(1+40%)×1500y,jiechux=42,y=50,50-42=8ren。
4.【daan】b。jiexi: shexiaozhangtijinlexgeqiu,tibujinyge,ze2x-9y=134,2xyu134doushioushu,suoyi9yyeshioushu。youyu9bushioushu,suoyiyweioushu,zhiyoubmanzu。
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