BG真人版

【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。