本课配套习题挑战模式1/5
单选题
难度系数:
1.甲、乙、丙三家超市为了促销一种定价相同的商品,甲超市先降价20%,后又降价10%;乙超市连续两次降价15%;丙超市一次降价30%.那么顾客到哪家超市购买这种商品更合算( )
A: 甲 |
B: 乙 |
C: 丙 |
D: 一样 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOiuvuWVhuWTgeWOn+S7t+S4unjvvIzooajnpLrlh7rkuInlrrbotoXluILpmY3ku7flkI7nmoTku7fmoLzvvIznhLblkI7mr5TovoPljbPlj6/lvpflh7rnrZTmoYg=
- 答案:Qw==
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本课配套习题挑战模式2/5
单选题
难度系数:
2.某企业今年3月份产值为a万元,4月份比3月份减少了10%,5月份比4月份增加了15%,则5月份的产值是( )
A: (a-10%)(a+15%)万元 |
B: a(1-10%)(1+15%)万元 |
C: (a-10%+15%)万元 |
D: a(1-10%+15%)万元 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOagueaNrjPmnIjku73nmoTkuqflgLzmmK9h5LiH5YWD77yMIDTmnIjku73nmoTkuqflgLzvvJrvvIgxLTEwJe+8iWE=
- 提示2:IOWcqOWbm+aciOS7veeahOWfuuehgOS4iu+8jOW+l+WHujXmnIjku73kuqflgLzvvJrvvIgxLTEwJe+8iWHDl++8iDErMTUl77yJ5LiH5YWD
- 答案:Qg==
PGRpdj7op6PvvJoz5pyI5Lu955qE5Lqn5YC85pivYeS4h+WFg++8jDxicj7liJnvvJo05pyI5Lu955qE5Lqn5YC85piv77yIMS0xMCXvvIlh5LiH5YWD77yMPGJyPjXmnIjku73nmoTkuqflgLzmmK/vvIgxKzE1Je+8ie+8iDEtMTAl77yJYeS4h+WFgzwvZGl2Pg==
本课配套习题挑战模式3/5
单选题
难度系数:
3.一件衣服原价n元,提价10%后再九折出售,现价是( )
A: 1.1n元 |
B: n元 |
C: 0.9n元 |
D: 0.99n元 |
一次做对,真牛!
+5奖励规则>
- 提示1:IOaPkOS7t+WQjueahOS7t+agvOS4um7Dl++8iDErMTAl77yJPTEuMW4=
- 提示2:IOaPkOS7t+WQjueahOWfuuehgOS4iuWGjemZjeS7t++8mjEuMW7DlzkwJT0wLjk5bg==
- 答案:RA==
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本课配套习题挑战模式4/5
单选题
难度系数:
4.某工厂今年计划产值为a万元,比去年增长11%.如果今年实际产值可超过计划1%,那么实际产值将比去年增长( )
A: 11% |
B: 11.1% |
C: 12% |
D: 12.11% |
一次做对,真牛!
+5奖励规则>
- 提示1:IOW6lOWFiOaxguW+l+WOu+W5tOeahOS6p+WAvO+8jOS7iuW5tOWunumZheS6p+WAvO+8jOaJgOaxgueahOWinumVv+eOhz3vvIjlrp7pmYXkuqflgLwt5Y675bm055qE5Lqn5YC877yJw7fljrvlubTnmoTkuqflgLzDlzEwMCU=
- 答案:RA==
PGRpdj7op6PvvJriiLXku4rlubTorqHliJLkuqflgLzkuLph5LiH5YWD77yM5q+U5Y675bm05aKe6ZW/MTEl77yMPGJyPuKItOWOu+W5tOeahOS6p+WAvOS4uu+8mmHDt++8iDErMTEl77yJ77yMPGJyPuKIteS7iuW5tOWunumZheS6p+WAvOWPr+i2hei/h+iuoeWIkjEl77yMPGJyPuKItOS7iuW5tOWunumZheS6p+WAvOS4uu+8mmHDl++8iDErMSXvvIk9MS4wMWHvvIw8YnI+4oi05omA5rGC55qE5aKe6ZW/546HPVsxLjAxYS1hw7fvvIgxKzExJe+8iV3Dt1thw7fvvIgxKzExJe+8iV3DlzEwMCU9MTIuMTElPC9kaXY+
本课配套习题挑战模式5/5
单选题
难度系数:
5.某商品2002年比2001年涨价5%,2003年又比2002年涨价10%,2004年比2003年降价12%,则2004年比2001年( )
A: 涨价3% |
B: 涨价1.64% |
C: 涨价1.2% |
D: 降价1.2% |
一次做对,真牛!
+5奖励规则>
- 提示1:IOiuvuatpOWVhuWTgTIwMDHlubTnmoTku7fmoLzkuLph5YWD77yM5oqK55u45bqU5bm05Lu955qE5Lu35qC855SoYeeahOS7o+aVsOW8j+ihqOekug==
- 提示2:IOWinumVv+eOhz3vvIjmlrDnmoTku7fmoLwt5Y6f5Lu35qC877yJw7fljp/ku7fmoLzDlzEwMCUg5YiX5Ye6ICgyMDA05bm055qE5Lu35qC8LTIwMDHlubTnmoTku7fmoLwpw7cyMDAx5bm055qE5Lu35qC8
- 答案:Qg==
PGRpdj7op6PvvJrorr7mraTllYblk4EyMDAx5bm055qE5Lu35qC85Li6YeWFg++8jDxicj7iiLUyMDAy5bm05q+UMjAwMeW5tOa2qOS7tzUl77yMPGJyPuKItDIwMDLlubTnmoTku7fmoLzkuLphw5fvvIgxKzUl77yJPTEuMDVh5YWD77yMPGJyPuKItTIwMDPlubTlj4jmr5QyMDAy5bm05rao5Lu3MTAl77yMPGJyPuKItDIwMDPlubTnmoTku7fmoLzkuLoxLjA1YcOX77yIMSsxMCXvvIk9MS4xNTVh5YWD77yMPGJyPuKItTIwMDTlubTmr5QyMDAz5bm06ZmN5Lu3MTIl77yMPGJyPuKItDIwMDTlubTnmoTku7fmoLzkuLoxLjE1NWHDl++8iDEtMTIl77yJPTEuMDE2NGHlhYPvvIw8YnI+4oi077yIMS4wMTY0YS1h77yJw7dhw5cxMDAlPTEuNjQlPC9kaXY+