1/5单选题
难度：
1.
七年级一班有学生53人，二班有学生45人，从一班调x人到二班，这时两班的人数相等，应列方程是（ ）
| A | 53-x=45 |
| B | 53=45+x |
| C | 53-x=45+x |
| D | 以上都不对 |
- 提示1：
- PHA+6KaB5YiX5pa556iL77yM6aaW5YWI6KaB55CG6Kej6aKY5oSP5om+5Ye65a2Y5Zyo55qE562J6YeP5YWz57O7PC9wPg==
- 提示2：
- PHA+5qC55o2u6aKY5oSP5Y+v5om+5Yiw55qE562J6YeP5YWz57O75Li6OuS4gOePreWOn+adpeeahOS6uuaVsC3osIPotbDnmoTkurrmlbA95LqM54+t5Y6f5p2l55qE5Lq65pWwK+iwg+WFpeeahOS6uuaVsDwvcD4=
- 提示3：
- PHA+5L6d5qyh5bim5YWl5Y2z5Y+v5YiX5Ye65pa556iLPC9wPg==
正确答案：Qw==
PGRpdj7op6PvvJrorr7ku47kuIDnj63osIN45Lq65Yiw5LqM54+t77yM5YiZ5LiA54+t546w5pyJ5Lq65pWw5Li677yINTMteO+8ieS6uu+8jOS6jOePreeOsOacieS6uuaVsOS4uu+8iDQ1K3jvvInkurrvvJs8YnI+5qC55o2u4oCc6L+Z5pe25Lik54+t55qE5Lq65pWw55u4562J4oCd77yM5Y+v5b6X5Ye65pa556iL5Li677yaNTMteD00NSt4PGJyPuaVhemAiUMuPC9kaXY+
2/5单选题
难度：
2.
寒假在即，某校初一（2）班学生组织大扫除：去图书馆的有26人，去实验室的有19人，另在教室有15人. 现在要求去图书馆人数恰为去实验室人数的2倍.
若在教室的学生全部调往图书馆与实验室，并且设调往图书馆的学生为x人，可列出方程为（ ）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- PHA+6K6+6LCD5b6A5Zu+5Lmm6aaG55qE5pyJeOS6uu+8jOWImeWOu+WunumqjOWupOeahOWwseacie+8iDE1LXjvvInkuro8L3A+
- 提示2：
- 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
- 提示3：
- PHA+5YaN55Sx5Y675Zu+5Lmm6aaG5Lq65pWw5oGw5Li65Y675a6e6aqM5a6k5Lq65pWw55qEMuWAjeW7uueri+etiemHj+WFs+ezu+WIl+WHuuaWueeoizwvcD4=
正确答案：Qw==
PGRpdj7op6PvvJrorr7osIPlvoDlm77kuabppobnmoTmnIl45Lq677yM5YiZ5Y675Zu+5Lmm5a6k55qE5bCx5pyJ77yIMTUteO+8ieS6uu+8jOeUsemimOaEj++8jOW+lzxicj48aW1nIHNyYz0iaHR0cHM6Ly9wMS5xaW5nZ3VvLmNvbS9HMS9NMDAvMTQvNjEvckJBQ0UxTUhEdFBCcEZ2OUFBQUN5QVNkeUFRNTQ1LnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC8xNC82MS9yQkFDRTFNSER0UEJwRnY5QUFBQ3lBU2R5QVE1NDUucG5nIiBoZWlnaHQ9IjIxIiB3aWR0aD0iMTU4Ij4s5Y+v5YyW5Li6PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0YxL0ExL3JCQUNGRk1IRHRPVGtUak9BQUFDYWdyUnlDazYyNS5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjEvQTEvckJBQ0ZGTUhEdE9Ua1RqT0FBQUNhZ3JSeUNrNjI1LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjExNiI+PGJyPuino+W+l++8mng9MTQuPGJyPuaVhemAiUM8L2Rpdj4=
3/5单选题
难度：
3.
七年级（2）班学生参加绿化劳动，在甲处有32人，乙处有22人，现根据需要，要从乙处抽调部分同学往甲处，使甲处人数是乙处人数的2倍，问应从乙处抽调多少人往甲处？
设从乙处抽调x人往甲处，可得正确方程是（ ）
| A | 32-x=2（22-x） |
| B | 32+x=2（22+x） |
| C | 32-x=2（22+x） |
| D | 32+x=2（22-x） |
- 提示1：
- PHA+6KaB5YiX5pa556iL77yM6aaW5YWI6KaB55CG6Kej6aKY5oSP5om+5Ye65a2Y5Zyo55qE562J6YeP5YWz57O7PC9wPg==
- 提示2：
- PHA+5qC55o2u6aKY5oSP5Y+v5om+5Yiw55qE562J6YeP5YWz57O75Li6OueUsuWkhOWOn+adpeeahOS6uuaVsCvku47kuZnlpITmir3osIPnmoTkurrmlbA9Mu+8iOS5meWkhOWOn+adpeeahOS6uuaVsC3ku47kuZnlpITmir3osIPnmoTkurrmlbDvvIk8L3A+
- 提示3：
- PHA+5L6d5qyh5bim5YWl5Y2z5Y+v5YiX5Ye65pa556iLPC9wPg==
正确答案：RA==
PGRpdj7op6PvvJrku47kuZnlpITmir3osIN45Lq65b6A55Sy5aSE5ZCO77yM55Sy5aSE5Lq65pWw5pyJ77yIMzIreO+8ieS6uu+8jOS5meWkhOacieS6uuaVsO+8iDIyLXjvvInkurouPGJyPuWImeacieaWueeoi++8mjMyK3g9Mu+8iDIyLXjvvIkuPGJyPuaVhemAiUQuPC9kaXY+
4/5单选题
难度：
4.
在甲处劳动的有27人，在乙处劳动的有19人，现在另调20去支援，使得甲处的人是乙处的2倍. 设调往甲处的人数为
人，则应列方程为（ ）
| A |
|
| B |
|
| C |
|
| D |
|
- 提示1：
- 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
- 提示2：
- 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
- 提示3：
- PHA+5LmL5ZCO5Y+q6ZyA6KaB5qC55o2u77ya6LCD5Yqo5ZCO55Sy5aSE55qE5Lq65piv5LmZ5aSE55qEMuWAje+8jOi/meS4quetiemHj+WFs+ezu+WIl+aWueeoi+WNs+WPrzwvcD4=
正确答案：Qg==
PGRpdj7op6PvvJrorr7osIPlvoDnlLLlpITnmoTmnIl45Lq677yM5YiZ6LCD5b6A5LmZ5aSE55qE5bCx5pyJ77yIMjAteO+8ieS6uu+8jOeUsemimOaEj++8jOW+lzxicj4yNyt4PTJbMTkr77yIMjAteO+8iV3vvIzlj6/ljJbkuLoyNyt4PTIoMzkteCk8YnI+6Kej5b6X77yaeD0xNy48YnI+5pWF6YCJQjwvZGl2Pg==
5/5单选题
难度：
5.
甲组人数是乙组人数的2倍，从甲组抽调8人到乙组，这时甲组剩下的人数恰好是乙组现有人数的一半多2. 设乙组原有x人，则可列方程（ ）
| A | 2x= |
| B | 2x= |
| C | 2x-8= |
| D | 2x-8= |
x+2
（x+8）+2- 提示1：
- PHA+5qC55o2u5bey55+lLOiLpeiuvuS5mee7hOWOn+aciTxpbWcgc3JjPSJodHRwczovL3AxLnFpbmdndW8uY29tL0cxL00wMC9GMS9BMS9yQkFDRkZNSER1U0FKMDVsQUFBQkhVei1OUFkyNTUucG5nIiBkYXRhLWNrZS1zYXZlZC1zcmM9Imh0dHBzOi8vcDEucWluZ2d1by5jb20vRzEvTTAwL0YxL0ExL3JCQUNGRk1IRHVTQUowNWxBQUFCSFV6LU5QWTI1NS5wbmciIGhlaWdodD0iMjEiIHdpZHRoPSIxMCI+5Lq677yM5YiZ55Sy57uE5Y6f5pyJ5Lq65pWw5Li6PGltZyBzcmM9Imh0dHBzOi8vcDIucWluZ2d1by5jb20vRzEvTTAwL0YxL0ExL3JCQUNGRk1IRHVTQzBFUVhBQUFCVTNLNjJYbzk0Ny5wbmciIGRhdGEtY2tlLXNhdmVkLXNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvRjEvQTEvckJBQ0ZGTUhEdVNDMEVRWEFBQUJVM0s2MlhvOTQ3LnBuZyIgaGVpZ2h0PSIyMSIgd2lkdGg9IjE1Ij47PC9wPg==
- 提示2：
- 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
- 提示3：
- PHA+6YKj5LmI5YaN5qC55o2u562J6YeP5YWz57O7OueUsue7hOeOsOWcqOeahOS6uuaVsD0g5LmZ57uE546w5pyJ5Lq65pWw55qE5LiA5Y2KKzIu5L6d5qyh5bim5YWl5ZCE5Liq6YeP5Y2z5Y+v5YiX5Ye65pa556iLPC9wPg==
正确答案：RA==
PGRpdj7op6PvvJrorr7kuZnnu4Tljp/mnIl45Lq677yM5YiZ55Sy57uE5Lq65pWw5pivMnjvvIw8YnI+5qC55o2u6aKY5oSP5b6X5Ye677yaMngtOD08aW1nIHNyYz0iaHR0cHM6Ly9wMi5xaW5nZ3VvLmNvbS9HMS9NMDAvMTQvNjEvckJBQ0UxTUhEdVNCWmpOekFBQUJFU0pTaEtvMzYzLnBuZyIgZGF0YS1ja2Utc2F2ZWQtc3JjPSJodHRwczovL3AyLnFpbmdndW8uY29tL0cxL00wMC8xNC82MS9yQkFDRTFNSER1U0Jaak56QUFBQkVTSlNoS28zNjMucG5nIiBoZWlnaHQ9IjQyIiB3aWR0aD0iMTIiPu+8iHgrOO+8iSsy77yMPGJyPuaVhemAie+8mkQuPC9kaXY+