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题目
去括号与去分母4
1、总工作量、工作时间的关系是________;某人完成一项工作要40天,此人的工作效率是每天做________,做了a天完成了________,还剩下________.
2、解方程1-6分之(x+3)=2分之x时,去分母可得________.
3.一件工作,甲单独做6天完成,乙单独做12天完成,侧甲、乙合作完成这件工作需用________天.
4.解方程6分之5(5分之6x-1)=2时,下面几种解法中,较简便的是()
A、先两边同乘以6 B、先两边同乘以5
c、括号内先通分 D、先去括号,再移项
5、甲、乙、丙三辆卡车所运货物的吨数比是6:7:4.5,已知甲车比丙车多运货物12吨.侧三辆卡车共运货物( )吨.
6、一件工艺品,甲单独做4小时能完成,乙单独做5小时能完成,设未知数x后,列出方程是(1/4+1/5)x=1,其中x是指________________.
7解方程,加财富.
4分之(x-1)=1-4分之(x+3) x-2分之(x-1)=2-3分之(x+2)
3x-4分之(x-1)=6分之x x-2分之3(1-3分之(3-x))=3分之1
0.7分之(2x-1)=0.3分之x-7分之1 0.3分之x=1+0.2分之(0.8-0.5x)
8.某工人原计划用13小时生产一批零件,后因每小时多生产10件,用12小时不但完成了认为,而且比原计划多生产了60件,问来计划生产多少个零件?
9、已知关于x的方程6分之(x+2)=a-3分之(x-1)的解与方程2分之(x+1)=3分之(4-x)
10、一个水池甲、乙两个水龙头,单独开甲水龙头,2小时可以把空池灌满;单独开乙水龙头,3小时可以把空池灌满.现在同时打开甲、乙两个水龙头,灌满水池需要________小时.
你们也可以写下面这个!
1、I can see three __________ (girl) in the picture.
2、My brother __________ (have) a white bag.
3、Her friend __________ (like) bananas
4、__________ (be) your friend in Class One or in Class Two?
5、Let's __________ (play) football
选择词填空:play ,watch ,tennis ,have ,collect
1.She has a racket.She often plays__________.
2.He has a computer.Sometimes he __________ computer games.
3.John has a TV,He usually __________ TV.
4.Mary has a great sports __________.
5.I have a new bike .She __________ a new bike,too.
根据汉字提示完成句子.
1.My aunt is here____________________(每天下午)
2.Do you have____________________(体育俱乐部)?
3.He has ____________________(一本有趣的书)
4.Tom____________________(没有) a dictionary.
5.Let's____________________(玩电脑游戏)

提问时间:2021-01-18

答案
1、I can see three ____girls______ (girl) in the picture.
2、My brother _____has_____ (have) a white bag.
3、Her friend _____likes_____ (like) bananas
4、_______Are___ (be) your friend in Class One or in Class Two?
5、Let's ____play______ (play) football
选择词填空:play , watch , tennis ,have , collect
1.She has a racket.She often plays____tennis______.
2.He has a computer.Sometimes he _____plays_____ computer games.
3.John has a TV, He usually ______watches____ TV.
4.Mary has a great sports _____ collect_____.
5.I have a new bike . She ______has____ a new bike,too.
根据汉字提示完成句子.
1. My aunt is here__________erery afternoon__________(每天下午)
2.Do you have____________Sports Club________(体育俱乐部)?
3.He has __________an intersting__________(一本有趣的书)
4.Tom_________does not have___________(没有) a dictionary.
5.Let's__________play computer games__________(玩电脑游戏)
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