配套习题- 一元一次方程的应用——数字问题 -【青果学院】

挑战习题

1/5单选题

难度：

有个两位数，用它的个位、十位上的两个数之和的3倍减去-2，仍得原数，这个两位数是（　　）

A	26
B	36
C	28
D	38

提示1：: PHA+5pWw5a2X6Zeu6aKY5YWz6ZSu5piv6K6+5Y2B5L2N5pWw5a2X5pivYe+8jOS4quS9jeaVsOWtl+aYr2LvvIzlvpfliLDljp/mlbDnmoTooajovr7lvI8xMGErYjxicj48L3A+

提示2：: PHA+5qC55o2u6aKY5oSP5b6X5Yiw562J6YeP5YWz57O7PC9wPg==

正确答案：QQ==

PGRpdj7op6PvvJrorr7ljYHkvY3mlbDlrZfmmK9h77yM5Liq5L2N5pWw5a2X5pivYjxicj4z77yIYSti77yJLe+8iC0y77yJPTEwYStiPGJyPjdhPTJiKzI8YnI+5Y2zN2E9MmIrMu+8jOWPr+ingWHlj6rog73kuLrlgbbmlbDvvIxiKzHmmK8355qE5YCN5pWw77yOPGJyPuaVhemAiUHvvI48YnI+PC9kaXY+

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2/5单选题

难度：

一个两位数的十位数字与个位数字之和为10，如果把这个两位数加上36，那么恰好成为个位数字与十位数字对调后组成的两位数，则这个两位数是（）

A	37
B	46
C	28
D	55

提示1：: PHA+5YWI6K6+6L+Z5Liq5Lik5L2N5pWw55qE5Y2B5L2N5pWw5a2X5ZKM5Liq5L2N5pWw5a2X5YiG5Yir5Li6eO+8jDEwLXjlvpfliLDljp/mlbDkuLoxMHgrMTAteDxicj48L3A+

提示2：: PHA+55SoeOihqOekuuWvueiwg+WJjeWQjueahOS4pOS9jeaVsOeahOihqOi+vuW8j+S4ujEw77yIMTAteO+8iSt4PGJyPjwvcD4=

提示3：: PHA+5qC55o2u562J6YeP5YWz57O75YiX5pa556iLPC9wPg==

正确答案：QQ==

PGRpdj7op6PvvJrorr7ov5nkuKrkuKTkvY3mlbDnmoTljYHkvY3mlbDlrZfkuLp477yM5YiZ5Liq5L2N5pWw5a2X5Li6MTAteO+8jDxicj7nlLHpopjmhI/liJfmlrnnqIvlvpfvvIwxMHgrMTAteCszNj0xMO+8iDEwLXjvvIkreO+8jDxicj7op6Plvpd4PTPvvIw8YnI+4oi0MTAteD0xMC0zPTfvvIw8YnI+4oi06L+Z5Liq5Lik5L2N5pWw5Li6MzfvvI48YnI+5pWF6YCJQe+8jjxicj48L2Rpdj4=

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3/5单选题

难度：

一个三位数，百位上的数字比十位上的数字大1，个位上的数字比十位上的数字的3倍少2．若将三个数字顺序倒过来，所得的三位数与原三位数的和是1171，则这个三位数为（）

A	437
B	324
C	211
D	652

提示1：: PHA+6K6+5Y2B5L2N5LiK55qE5pWw5a2X5Li6eO+8jOWImeeZvuS9jeS4iueahOaVsOWtl+aYr3grMe+8jOS4quS9jeS4iueahOaVsOWtl+aYrzN4LTI8L3A+

提示2：: PHA+5Y6f5LiJ5L2N5pWw5Y+v6KGo56S65Li6MTAw77yIeCsx77yJKzEweCvvvIgzeC0y77yJ77yM5paw5LiJ5L2N5pWw5Y+v6KGo56S65Li6MTAw77yIM3gtMu+8iSsxMHgr77yIeCsx77yJPC9wPg==

提示3：: PHA+5qC55o2u4oCc5omA5b6X55qE5LiJ5L2N5pWw5LiO5Y6f5LiJ5L2N5pWw55qE5ZKM5pivMTE3MeKAneWPr+W+l+aWueeoizwvcD4=

正确答案：QQ==

PGRpdj7op6PvvJrorr7ljYHkvY3kuIrnmoTmlbDlrZfkuLp477yM5YiZ55m+5L2N5LiK55qE5pWw5a2X5piveCsx77yM5Liq5L2N5LiK55qE5pWw5a2X5pivM3gtMu+8jOeUsemimOaEj+W+l++8mjxicj4xMDDvvIh4KzHvvIkrMTB4K++8iDN4LTLvvIkrMTAw77yIM3gtMu+8iSsxMHgr77yIeCsx77yJPTExNzHvvIw8YnI+6Kej5b6X77yaeD0z77yMPGJyPuWIme+8mngrMT0077yMPGJyPjN4LTI9N++8jDxicj7ov5nkuKrkuInkvY3mlbDmmK/vvJo0w5cxMDArM8OXMTArNz00MzfvvIw8YnI+5pWF6YCJ77yaQe+8jjwvZGl2Pg==

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4/5单选题

难度：

一个三位数的个位数字是7，若把个位数字移到首位，则新数比原数的5倍还多86，求这个三位数．设这个三位数的前两位数为x，则列出的方程应是（）

A
B
C
D

提示1：: PHA+55SoeOihqOekuuaWsOaVsOS4ujcwMCt45ZKM5Y6f5pWw5Li6MTB4Kzc8YnI+PC9wPg==

提示2：: PHA+5qC55o2u5YWz57O75byP77ya5paw5pWwLTg2PeWOn+aVsMOXNe+8jOS7o+WFpeWIl+WHuuaWueeoizxicj48L3A+

正确答案：Qg==

PGRpdj7op6PvvJrljp/mlbDkuLoxMHgrN++8jDxicj7mlrDmlbDkuLo3MDAreO+8jDxicj7iiLTlj6/liJfmlrnnqIvkuLo3MDAreC04Nj0177yIMTB4KzfvvInvvI48YnI+5pWF6YCJQu+8jjwvZGl2Pg==

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5/5单选题

难度：

某年份的号码是一个四位数，它的千位数字是1，如果把1移到个位上去，那么所得的新四位数比原四位数的5倍少4，求这个年份( )

A	1999
B	1998
C	2000
D	1997

提示1：: PHA+55Sx6aKY5oSP5YiG5Yir6K6+5Ye66L+Z5Liq5Zub5L2N5pWw55qE5Liq5L2N44CB5Y2B5L2N44CB55m+5L2N77yM5b6X5Yiw5Y6f5pWw55qE5Luj5pWw5byPMTAwMCsxMDBhKzEwYitjPGJyPjwvcD4=

提示2：: PHA+54S25ZCO5qC55o2u5oqKMeenu+WIsOS4quS9jeS4iuWOuyzlvpfliLDmlrDmlbDnmoTku6PmlbDlvI8xMDAwYSsxMDBiKzEwYysxPGJyPjwvcD4=

提示3：: PHA+5omA5b6X55qE5paw5Zub5L2N5pWw5q+U5Y6f5Zub5L2N5pWw55qENeWAjeWwkTTvvIzliJflh7rnrYnlvI88L3A+

正确答案：QQ==

PGRpdj7op6PvvJrorr7kuKrkvY3mlbDmmK9j77yM5Y2B5L2N5pWw5pivYu+8jOeZvuS9jeaVsOaYr2HvvIzliJk8YnI+4oi15Y2D5L2N5pWw5a2X5pivMe+8jOWmguaenOaKijHnp7vliLDkuKrkvY3kuIrljrvvvIzpgqPkuYjmiYDlvpfnmoTmlrDlm5vkvY3mlbDmr5Tljp/lm5vkvY3mlbDnmoQ15YCN5bCRNO+8jDxicj7iiLQxMDAwYSsxMDBiKzEwYysxPTXvvIgxMDAwKzEwMGErMTBiK2PvvIktNO+8jOS7pHg9MTAwYSsxMGIrYzxicj4xMHgrMT01w5fvvIgxMDAwK3jvvIktNDxicj7iiLR4PTk5Oe+8jDxicj7iiLTmlrDlm5vkvY3mlbDkuLrvvJoxMHgrMT05OTkx77yMPGJyPuKItOi/meS4quW5tOS7veS4ujE5OTnvvI48L2Rpdj4=

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