六年级解方程专项练习200题(附答案)

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2021年02月10日 17:34
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2021年2月10日发(作者:我是爱神)




六年级解方程专项练习

200


题(有答案)




(


1


)


x


﹣


=


,








(


2


)


x< /p>


×


×


=


,









(


3


)



﹣


4x=


,








(


4


)


8


×


2.5


﹣


2 x=13.6








(


5


)


0 .78


:


x=3


:

5


,










(


6


)


1


﹣


20%x= 0.4


,









(


8


)


1< /p>


÷(


x


﹣


)


=6


,








(


9


)


2x


﹣


x=1.2


,








(


10< /p>


)


9


×


3


﹣


1.7x=13.4


,









(


11


)


x


﹣


25%x=24


,










(


12


)< /p>


x


﹣


+0.2=


,









(


13


)


0.6x+90%x=78


,










(


14< /p>


)


20%x


﹣


2 .4


×


3=0.8


,

< br>







1


/


36


实用精品文档





(


15< /p>


)


x


﹣


x=42


,








(


16


)


0.6x +3


×


2.5=67.5


,

< p>








(


17


)


1


÷(


x


﹣


0.45< /p>


)


=5


,







(


18


)


x


﹣


2.25=8.25


,








(


19


)


:


x=3< /p>


:


12


,










(


20


)


x+0. 8=5.6


,









(


21) 1.4


:


x=1


:


0.75


,










(22) x


×(


2


﹣


)


=24


,










(23) 4x


﹣


=3


,








(


24


)< /p>


12x+7


×


0.3=20.1


,









(


25


)< /p>


x+


x=


,









(


26


)


x


:


42=


,










(


27< /p>


)


×


0.5+


x =


,










(


28< /p>


)


0.8


:


=0 .48


:


x


,








2


/


36


实用精品文档





(


29< /p>


)χ﹣


χ


=


,< /p>











(


30< /p>


)


42


:


=


χ:








(


31


)


5x


﹣


0.4=75%


,







( 32) 6x


﹣


0.9=4.5


,








(33


)


2


(


x


﹣


3


)


=5.8< /p>


,






(


34) 1.6x=6.4


,







(35) 4x


﹣


3


×


9=29


,







(36


)


16+8x=40


,








(


37


)


x


÷


1.1=3


,







(


38


)


+2 x=


,





(


39


)


×< /p>


3


﹣


7x=1.04

,







(


40< /p>


)


x


﹣


1


﹣


x=2


,








(


41< /p>


)


x


﹣


x=14


,







(


42< /p>


)


3x


﹣


x=< /p>


,







(


43< /p>


)


=


,








(


44


)< /p>


1.2


:


=


,< /p>



3


/


36


实用精品文档












(


45


)< /p>


=


:


,







(


46


)


:


=x


:


0.8


,







(


47


)< /p>


x


=


+1


,







(


48


)< /p>


1


﹣


25%X+25%x=


+25%x


,






(


49< /p>


)


=


,









(


50


)


×


X=


,








(


51


)


5


:


8=x


:


3 2


,









(


52


)


2x+3


×


0.9=24.9


,









(


53


)


5.3x


﹣


2.9x=


,







(


54


)


×(


7


﹣


2.8x


)< /p>


=1.5


,




(


55


)


x< /p>


:


0.3=


:


,








(


56< /p>


)


150%x+66=99









(


57< /p>


)


x+6


﹣


0. 8x=16









(


58


)









(


59


)






4


/


36


实用精品文档







(


60


)


3


÷(


X


﹣


)


=1.3








(


61


)


(


X+0. 5


)


:


2


=< /p>


(


X


﹣


4


)


:


,







(


62


)


X


÷


0.05=3.528


,

< p>





(


63


)


2X


﹣


4


×


6=80


,








(


64


)


4


×


4.5


﹣


3X=6.38

,








(


65


)


4X


﹣


7.2=10


,







(


66


)


11.5X+X=20


,








(


67


)


3.8


×< /p>


12+15X=87.6


,








(


68


)< /p>


6X+5=17


,








(


69< /p>


)


0.6


×(


2 .5+X


)


=4.2


,








(


70< /p>


)


:


=X


:


,









(


71


)< /p>


,








(


72


)







(


73


)


,








(


74< /p>


)


4


(


+x


)


=


,







(


75


)


×


0.25+


x=


,







5


/


36


实用精品文档







,






(


76< /p>


)


x


﹣








(


84


)






=


,



(


77


)


200


:< /p>


6=x


:


,








(


85< /p>


)


5


(


3x


﹣


4


)﹣


2


(


x


﹣


1

< p>
)


=5


(


2x

< p>
﹣


1


)





(


78< /p>


)


4


÷


X=


,








(


79


)


8


(


x


﹣


2


)

< p>
=2


(


x+7


)


,








(


80


)


:


18%=


,










(


81< /p>


)


﹣


2x=


,< /p>









(


82


)


x+


x=4 6


,









(


83


)


:


x=


:


,









(


86


)


=


,










(


87


)


8


(


2X


﹣


7


)


=5


(


X+13


)


,






(


88


)


3


(


x+4.5


)


=60


,









(


89


)


1.6x+2.4=7.52


,










(


90


)< /p>


3


(


x


﹣


0.8


)


=6.3


,









6


/


36


实用精品文档






(


91


)


28.4


﹣


5x=5.8


,










(


92)x


:


=









(


93< /p>


)


+2x=


,








(


94


)< /p>


x=15%


,






(


95< /p>


)


x


﹣


x=


,






(


96


)< /p>


x+50%x=6


,








(


97< /p>


)


:


x=0.3


:


12


,








(


98


)


4x+2


(


8


﹣


x


)


=26


,








(


99


)< /p>


x


﹣


=0


,







(


100


)


+


x=1


,








(


101


)


x


×(


+


)< /p>


=


,






(


102


)


,







(


103


)


,









(


104


)


x


﹣


,







(


105


)


x


×


,








(


106


)


5x+35=650


,





7


/


36


实用精品文档









(


107


)


720


÷


3 x=80


,








(


108


)


3.6 x


﹣


0.9x=8.1


,








(


109


)


4


×


4.5


﹣


3x=6


,









(


110


)


=


,









(


111


)


6


×


3


﹣


1.8X= 7.2


,






(


112


)


÷


x=


,< /p>








(


113


)


x


÷


=42


,








(


114


)


x+< /p>


=


,







(


115


)


7x


÷< /p>


3=8.19


,








(


116


)


12


:


0. 6=x


:


,








(


117


)


3


(


x+2


)


=4< /p>


(


x+1


)


,< /p>









(118)3x


﹣


70%x=9.2


,









(119) 6+


x=240


,









(


120


)


22.5


﹣


0.4x=12.5


,







(


121


)


x


:


3.5=4


:


2


,





8


/


36


实用精品文档











(


122


)


x


﹣


0.8x


﹣


6= 16


,








(


123


)


:


=x


:


8


,







(


124


)


,








(


125


)


x


:


15=


:


,







(


126


)


x+


x=


,







(


127


)


x


×


50%


﹣


x=5


,









(


128


)


1


﹣


x=


,< /p>








(


129


)


2.5+1


x=3

< br>,








(


130


)


3


x


﹣


2


=4


,







(


131


)


8.5


﹣


3x=2

,








(


132


)


3


÷


x=4


,








(


133


)


x


﹣


5%=17.54


,








(


134


)


:


=


:


(


4


﹣


x


)


,








(135) 6x+31=49


,








(136) 7x


÷


3=8.19


,








9


/


36


实用精品文档




(137) 32.8


﹣


9x=17.5


,









(138) x


﹣


0.36x=16


,








(139) 6


×


7+3x=69< /p>


,









(140) 6x+2x


﹣


56=0


,









(141) 3x


﹣


0.45


×


4=2.7


,< /p>








(142) 5.8x


﹣


4.6x=0.96


,








(143) 8.4

< p>
÷(


9


﹣


x


)


=3


,








(144) 3x


÷

< p>
1.2=8


,








(


145


)


5x+ 28=71


,








(


146


)


8.7


﹣


1.2x=3.9


,







(


147


)


8x


﹣


2.6x=37.8

< p>
,








(


148


)


0.75x


﹣


0.95


×


4=8.5

< p>
,








(


149


)


54


÷< /p>


2+3x=72


,









(


150


)


8x


﹣< /p>


2.6=37.8


,







(


151


)


x


÷


=


,






10


/


36


实用精品文档








(


152


)


x+30%x=26


,










(


153


)


7.8


﹣


3x=3.6


,








(


154


)


6


×


3


﹣


1. 8x=7.2


,








(


155


)


10< /p>


:


x=4.5


:


0.8


,








(


156


)


:


=x


:


,








(


157


)


X


﹣


7.6 5=4.64


,







(


158


)


28.25


﹣


X=8.25


,








(


159


)


X


﹣(


3.6+2.97


)


=12.42


,








(


160


)


÷


x=


,








(


161


)


14.5=5.5


,







(


162


)


x


﹣


80%x=48


,








(


163


)


75%x


﹣


5


×


=6


,







(


164


)


x


﹣


6.8=15.4


,








(


165


)


1.9x=5.7


,







(


166


)


4.3y


﹣


y=4.6


,








(


167


)


5x+ 2.6=7.6


,




11


/


36


实用精品文档








(168) x


﹣


1.5=12.9


,









(169) 9x+5x=8.4


,








(170) 6.8+3.2x=14.8


,







(


171


)


5


÷


x=


,








(


172


)


﹣


x=


,







(


173


)


4.5


×


﹣


3


x=1.5


,







(


174


)


(


1+25%


)


x=0.5


,









(


175


)


x


﹣


40%x=9


,









(


176


)


x


×


20%=15.2


,








(


178


)


x


﹣


x=


,









(


179


)


x


÷


75%=3


,






(


180


)


4 x


﹣


,








(


181


)


:


x=


:


4.5


,< /p>








(


182


)


(


x


﹣


4.5


)×


6= 12.5


,








(


183


)


27< /p>


﹣


17x=13.4


,

< br>







12


/


36


实用精品文档






(


184


)


9.6+3x=3.24


×


5


,








(


185


)


2x+5=5x


﹣


7

< br>,









(186) 3


(


x


﹣


2


)


=2

< br>﹣


5


(


x


﹣


2


)


,








(


187


)


4x


﹣


3


(< /p>


20


﹣


x


)


+4=0


,









(


188


)


﹣


=1


,








(


189


)


4x


﹣


5


×< /p>


6=12


,









(


190


)


8x


﹣


3x=15.6


,









(


191


)


30< /p>


×(


x


÷


4


)


=60


,








(


192


)


7.2


×


0.5


﹣


3x=1.2


,










(


193


)


5x< /p>


﹣


2.4


×


5= 8


,









(


194


)


+


x=


×


2< /p>


,







(


195


)


5x+2.4


×

15=66


,









(


196


)


3.2x+2.8x-x=1


,










(


197


)


2.5


×


16-8x=12


,








13


/


36


实用精品文档





(


198


)


9.6-3x=6.3


,

< p>








(


199


)


5


(


x+6


)


=75


,








(


200


)


x


÷


0.7 +0.9


×


3=4


,

< br>







































解方程专项练习

< br>200


题答案:


(


1

< p>
)


x


﹣


=


,




=


,




,



14


/


36


实用精品文档





x=


;





(


2


)


x< /p>


×


×


=


,




x=


,




x


×


21=


×


21


,



x=12


;





(


3


)



﹣


4x=


,



﹣


4x+4x=


+4x


,



=


+4x


,




÷


4=4x


÷


4


,



x=


.



(


4


)


8


×


2.5


﹣


2 x=13.6



20

﹣


2x=13.6


,


13.6+2X=20


,



2X=6.4


,



x=3.2


;



(


5


)


0 .78


:


x=3


:

5


,



3x= 0.78


×


5


,



3x=3.9


,



x=1.3



(


6

< br>)


1


﹣


20%x=0.4


,



1


﹣


20%x+20%x=0.4+20%x


,


0.4+20%x=1


,



0.4+2 0%x


﹣


0.4=1


﹣


0.4


,



20%x=0.6


,



20%x< /p>


×


=0.6


×


,



x=3


;



(


8


)


1


÷(


x


﹣


)


=6


,



1< /p>


÷(


x


﹣


)×(


x


﹣


)


=6< /p>


×(


x


﹣


)


,



1 =6


×(


x


﹣


)


,



6 x


﹣


6


×


=1


,



6x


﹣


3=1


,



6x=4


,



6x


÷


6=4


÷


6


,



x=



(


9


)


2x


﹣


x=1.2

,



x


(

< p>
2


﹣


)


=1.2


,




x=1.2


,




x


÷


=1.2


÷


,



x=1


;




(


10


)< /p>


9


×


3


﹣


1.7x=13.4


,



27


﹣


1.7x=13 .4


,



27

﹣


1.7x+1.7x=13.4+1.7x


,

< p>


13.4+1.7x=27


,



13. 4+1.7x


﹣


13.4=27


﹣


13.4


,



1.7x=13.6


,



1 .7x


÷


1.7=13.6


÷


1.7


,



x=8



15


/


36


实用精品文档





(


11< /p>


)


x


﹣


25%x =24


,



75%x=24


,



75 %x


÷


75%=24


÷


75%


,



x=32


;




(


12


)


x


﹣


+0.2=


,


x


﹣


0.6=


,

< br>


x


﹣


0.6+0.6=


+0.6


,



x=


,



x< /p>


÷


=


÷


,



x=1






(


13< /p>


)


0.6x+90%x=78


,



1.5x=78


,



1.5x


÷


1.5=78


÷

< p>
1.5


,


x=52


;




(


14


)


20%x


﹣


2.4


×


3=0.8


,



20%x


﹣


7.2=0.8


,



20%x


﹣


7.2+7.2= 0.8+7.2


,


20%x

÷


20%=8


÷


20%

< p>
,



x=40


;




(


15


)


x


﹣


x=42


,




x=42


,




x


÷


=42


÷


,



x=252



(


16

< br>)


0.6x+3


×


2.5=67 .5


,



0.6x+7.5=67.5


,



0.6x+7.5


﹣


7.5=67.5


﹣


7.5


,



0.6x=60


,



0.6x


÷


0.6=60


÷

< p>
0.6


,



x=100


;





(


17


)< /p>


1


÷(


x


﹣


0.45


)


=5


,



÷(


x


﹣< /p>


0.45


)×(


x


﹣


0.45


)


=

(


x


﹣


0.45

< br>)


,



< p>
x


﹣


2.4=1.6


,< /p>



x


﹣


2.4+ 2.4=1.6+2.4


,




x=4


,




x


÷


=4


÷< /p>


,



x=



(


18


)


x


﹣


2.25=8.25

< p>
,



x


﹣


2.25+2.25=8.25+2.25


,



x=10.5


;



(

< br>19


)


:


x=3


:


12


,



3x=


×


12


,



3x


÷


3=9


÷


3


,



x=3



(


20


)


x+0. 8=5.6


,



16


/


36


实用精品文档






< /p>


x+0.8


﹣


0.8=5.6

< p>
﹣


0.8


,




x=4.8


,




x


×


=4 .8


×


,



x=8


.



(


21) 1.4


:


x=1


:


0.75


,



x=1.4


×

< br>0.75


,



x=1.05



(22) x


×(


2


﹣


)


=24


,



x


×


=24


,



x


×


÷


=24


÷


,



x=20


;



(23) 4x


﹣


=3


,



4x


﹣


+


=3


+


,



4x=4


,



4x


÷


4=4


÷


4


,



x=1



(


24


)


12 x+7


×


0.3=20.1


,



12x+2.1=20.1


,



12x+2.1


﹣


2.1=20.1


﹣


2.1


,


1 2x


÷


12=18


÷

< br>12


,



x=1.5


;



(

25


)


x+


x=

< br>,




x=


,




x


×


,



x=


;



(


26


)


x


:


42=


,



10x=42


×


,



10x


÷


10=30

< p>
÷


10


,



x=3






(


27< /p>


)


×


0.5+


x =


,



0.75+


x=3.75


,



0.75+


x


﹣


0.75=3.75


﹣


0.75


,



x=3


,




x


÷


=3


÷< /p>


,



x=6


;




(


28


)


0.8


:


=0.48


:


x

< br>,



0.8x=

×


0.48


,



0.8x=0.2


,



0.8 x


÷


0.8=0.2


÷


0.8


,



x=



(


29


)χ﹣


χ


=


,





x=


,




x


=


,



x=3


;




(


30


)< /p>


42


:


=


χ:< /p>



x=42


×


,



17


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36


实用精品文档




x


=30


,



x=50


;




(


31


)< /p>


5x


﹣


0.4=75%

< br>,



5x


﹣

< br>0.4+0.4=75%+0.4


,



5x


÷


5=1.15


÷


5


,



x=0.23






( 32) 6x


﹣


0.9=4.5


,



6x


﹣


0.9+0.9=4.5+ 0.9


,


6x=5.4


,



6x


÷


6=5.4


÷


6


,



x=0.9


;



(33


)


2


(

x


﹣


3


)


=5.8


,



2


(


x


﹣


3


) ÷


2=5.8


÷


2


x


﹣


3=2. 9


,



x


﹣


3+3=2.9+3


,



x=5.9


;



(


34) 1.6x=6.4


,



1.6x


÷


1.6=6.4


÷


1.6


,



x=4


;



(35) 4x


﹣


3


×


9=29


,



4x


﹣


27=29


,



4x


﹣


27+27=29+27


,



4x=56


,



4x


÷


4=56


÷


4


,



x=14


;



(36

< br>)


16+8x=40


,



16+8x


﹣


16=40

﹣


16


,



8x=24


,



8x


÷


8=24


÷


8


,



x=3


;



(


37


)


x


÷


1.1=3


,



x


÷


1.1


×


1.1=3


×


1.1


,



x=3.3



(


38

< br>)


+2x=


,



+2x


=


,



2x=


,



2x


÷


2=


÷


2


,



x=


;



(


39


)


×< /p>


3


﹣


7x=1.04

,



2.16


﹣


7x=1.04


,



2.16


﹣


7x


﹣


1.04=1.04


﹣


1. 04


,


1.12


﹣< /p>


7x=0


,



7x


÷


7=1.12


÷


7


,



x=0.16


;



(

< br>40


)


x


﹣

1


﹣


x=2


,



x


﹣


1=2


,



18


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36


实用精品文档




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