六年级解方程专项练习进步200题(有规范标准答案)

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2021年02月10日 17:35
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2021年2月10日发(作者:粗心大意)




(


1


)


x


﹣






(


2


)


x< /p>


×


×


=


,



=


,



*-


六年级解方程专项练习


200< /p>


题(有答案)





(


9


)


2x


﹣


x=1.2


,







(


10< /p>


)


9


×


3


﹣


1.7x=13.4


,








(


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


,







11< /p>


)


x


﹣


25%x =24


,



12


)


x


﹣


+0.2=

< br>,




13

)


0.6x+90%x=78


,



14


)


20%x


﹣


2.4


×


3=0.8


,



15


)


x


﹣


x=42


,








(







(







(








(







(






*-


(


16


)


0.6x+3

< br>×


2.5=67.5


,








(


17< /p>


)


1


÷(


x


﹣


0.45


)


=5


,







(23) 4x


﹣


=3


,








(


24


)< /p>


12x+7


×


0.3=20.1


,








(


18


)


x


﹣


2.25=8.25


,







(


19< /p>


)


:


x=3


:< /p>


12


,








(


20


)< /p>


x+0.8=5.6


,








(


21) 1.4


:


x=1


:


0.75


,









(22) x


×(


2


﹣


)


=24


,









25


)


x+


x=< /p>


,



26


)


x


:


42=


,




27


)


×


0.5+


x=


,< /p>



28


)


0.8


:


=0.48


:


x


,



29


)χ﹣


χ


=


,




(







(







(







(






(








*-


(


3 0


)


42


:


=


χ:








(


31


)


5x


﹣


0.4=75%


,







(


39


)






×


3


﹣


7x=1.04


,



(


40


)


x


﹣


1


﹣< /p>


x=2


,








( 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

< p>
,








(


37


)


x


÷


1.1=3


,







(


38


)


+2 x=


,





41


)


x


﹣< /p>


x=14


,



4 2


)


3x


﹣


x =


,



43


)


=


,



44< /p>


)


1.2


:


=< /p>


,



45


)


=


:


,



46


)


:


=x


:


0.8


,



(






(






(






(






(






(






*-


(


47


)


x< /p>






=


+1


,


< /p>


(


55


)


x


:


0.3=


:


,< /p>








(


56< /p>


)


150%x+66=99






(


48


)


1


﹣


25%X+25%x=


+25%x


,







=


,



(


49


)







×


X=


,



(


50


)







(


51


)


5


:


8=x


:


3 2


,








(


52


)


2x+3


×


0.9=24.9


,








(


53< /p>


)


5.3x


﹣


2 .9x=


,







(


54


)


×(


7


﹣


2.8x


)


=1 .5


,





57


)


x+6


﹣


0.8x=16



58


)



59


)


60


)


3< /p>


÷(


X


﹣


)


=1.3


61


)


(


X+0.5


)


:

2


=


(


X


﹣


4


)


:


,< /p>


62


)


X


÷< /p>


0.05=3.528


,




(







(







(






(







(







(





*-


(


63


)


2X


﹣


4


×


6=80


,







(


64< /p>


)


4


×


4.5< /p>


﹣


3X=6.38


,






(


65


)< /p>


4X


﹣


7.2=10

,




(


72


)






(


73


)







,






(


66


)< /p>


11.5X+X=20


,







(


67


)< /p>


3.8


×


12+15X=87.6


,







(


68< /p>


)


6X+5=17


,






(


69


)< /p>


0.6


×(


2.5+X

< br>)


=4.2


,








(


70


)< /p>


:


=X


:


,








(


71


)


,







74


)


4< /p>


(


+x


)


=


,



75


)


×


0.25+


x=


,




76


)< /p>


x


﹣


,



77


)


200


:


6=x


:


,



78


)


4


÷


X=


,



79


)


8


(


x

< p>
﹣


2


)


=2


(


x+7


)


,


(






(






(






(






(






(








*-


(


80


)


:


18 %=


,









﹣


2x=


,



(


81


)





(


88< /p>


)


3


(


x+4. 5


)


=60


,








(


89


)< /p>


1.6x+2.4=7.52


,










x+


x=46


,



(


82


)







(


83


)


:


x=


:


,







(


84


)< /p>


=


,








(


85


)


5


(


3x


﹣


4


)﹣


2


(


x

< p>
﹣


1


)


=5


(


2x


﹣


1


)








(


86


)


=


,







(


87


)


8


(


2X< /p>


﹣


7


)


=5


(


X+13


)


,< /p>






90


)


3< /p>


(


x


﹣


0.8< /p>


)


=6.3


,


9 1


)


28.4


﹣


5x=5.8


,




92)x


:


=



93


)


+2x=


,



94


)


x=15%


,



95

< br>)


x


﹣


x=

,




(








(







(







(







(





(





*-


(


96


)


x+50%x=6


,







(


97


)< /p>


:


x=0.3


:


12


,







(


98


)


4x+2


(


8


﹣


x


)


=26


,



(


104


)


x


﹣






(


105


)


x


×


,



,












(


99


)


x


﹣


=0


,







(


100


)


+


x=1


,








(


101


)


x


×(


+


)


=


,







(


102


)


,







(


103


)


,







106


)


5 x+35=650


,



107


)


720


÷


3x=80


,



108


)


3.6x


﹣


0.9x=8.1


,


109


)


4


×


4.5


﹣


3x=6< /p>


,



110


)< /p>


=


,



111< /p>


)


6


×


3


﹣


1.8X=7.2


,



(







(







(








(







(







(






*-


(


112


)


÷


x =


,







(


113


)


x


÷






=42


,



(


120


)


2 2.5


﹣


0.4x=12.5


,







(


121


)


x


:


3.5=4


:


2


,








(


114


)


x+< /p>


=


,







(


115


)


7x


÷< /p>


3=8.19


,







(


116


)


12


:


0.6=x

:


,







(


117


)


3


(


x+2


)


=4


(< /p>


x+1


)


,









(11 8)3x


﹣


70%x=9.2


,








(119) 6+


x=240


,









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


,






< /p>


(


130


)


3< /p>


x


﹣


2


=4


,







(


131


)


8.5


﹣


3 x=2


,







(


132


)


3


÷


x=4


,







(


133


)


x


﹣


5%=17.54


,








(


134


)


:


=


:


(


4


﹣


x


)


,







(135) 6x+31=49


,







*-


(136) 7x


÷


3=8.19< /p>


,








(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


,







(142) 5.8x


﹣


4.6x= 0.96


,







(143) 8.4


÷(


9


﹣


x


)


=3

< p>
,











*-


(144) 3x


÷


1.2=8< /p>


,







(


145


)


5x+28=71


,







(


146


)


8.7


﹣


1.2x=3.9

< p>
,




(


153


)


7.8


﹣


3x=3.6


,







(


154


)


6


×


3


﹣


1. 8x=7.2


,







(


155


)


10


:< /p>


x=4.5


:


0.8

,







(


147


)


8x


﹣


2. 6x=37.8


,







(


148


)


0.75x


﹣


0.95


×


4=8.5

< p>
,







(


149


)


54


÷


2+ 3x=72


,








(


150


)


8x< /p>


﹣


2.6=37.8


,

< br>






(


151


)


x


÷


=


,







(


152


)


x+30%x=26


,









156


)


:


=x


:


,< /p>



157


)


X< /p>


﹣


7.65=4.64


,



158


)


28.25


﹣


X=8.25


,



159


)


X


﹣ (


3.6+2.97


)


=12.42< /p>


,


160


)


÷< /p>


x=


,



161


)


14.5=5.5


,






(






(






(






(








(






(






*-


(


162


)


x


﹣


80%x=48


,







(


163


)


75%x


﹣


5


×


=6


,







(


164


)


x


﹣


6.8=15.4


,


(


171


)


5

÷


x=






,



(


172


)


﹣


x=


,












(


165


)


1.9 x=5.7


,







(


166


)


4.3y


﹣


y=4.6


,







(


167


)


5x+2.6=7.6


,







(168) x


﹣


1.5=12.9


,








(169) 9x+5x=8.4


,







(170) 6.8+3.2x=14.8


,







173


)


4.5


×


﹣


3


x=1.5


,


174


)


(


1+25%


)


x=0.5


,



175


)


x


﹣


40%x=9


,



17 6


)


x


×


20 %=15.2


,



178


)


x


﹣


x=


,



179


)


x


÷


75%=3


,

< p>


(







(







(







(







(







(





*-


(


180


)


4x


﹣






,



(


188


)


﹣


=1


,< /p>



(


181


)< /p>


:


x=


:


4.5


,












(


189


)


4x< /p>


﹣


5


×


6=12


,







(


182


)


(


x


﹣


4.5


)×


6= 12.5


,








(


183


)


27< /p>


﹣


17x=13.4


,

< br>







(


184


)


9.6+3x=3.24


×


5


,








(


185


)


2x+ 5=5x


﹣


7


,








(186) 3


(


x


﹣


2

)


=2


﹣


5


(


x


﹣


2


)


,








(


187


)


4x< /p>


﹣


3


(


20


﹣


x


)


+4=0< /p>


,








190


)


8x


﹣< /p>


3x=15.6


,


191


)


30


×(


x


÷


4


)

=60


,


192


)


7.2


×


0.5


﹣

< p>
3x=1.2


,



193


)


5x


﹣


2. 4


×


5=8


,



194


)


+


x =


×


2


,


< /p>


195


)


5x+2.4

< br>×


15=66


,




(







(








(








(







(






(







*-


(


196


)


3.2x+2.8x-x=1


,









(


197


)


2.5


×


1 6-8x=12


,








(


198


)


9.6 -3x=6.3


,








(


199


)


5


(


x+6


)


=75


,








(


200


)


x


÷


0.7+0.9


×


3=4

< br>,









































解方程专项练习


200


题

< br>答案:



(


1

< br>)


x


﹣


=


,



=


,




,




x=


;




(


2


)


x< /p>


×


×


=


,



x=


,




x


×

21=


×


21


,

< br>



x=12


;




(


3


)



﹣


4x=


,



﹣


4x+4x=


+4x


,



=


+4x


,



÷


4=4x


÷


4


,




x=


.



(


4


)


8


×


2.5


﹣


2 x=13.6


20


﹣

< br>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


,


< /p>


0.4+20%x


﹣


0.4=1


﹣


0.4


,



20%x=0.6


,



20%x


×


=0.6


×


,



x=3


;



(


8


)


1


÷(


x


﹣


)


=6


,



*-


1


÷(


x


﹣< /p>


)×(


x


﹣


)< /p>


=6


×(


x


﹣< /p>


)


,



1=6


×(


x


﹣


)


,



6x


﹣


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


÷

< br>=1.2


÷


,




x=1


;




(


10


)


9


×


3


﹣


1.7x=13.4


,



27


﹣


1.7x=13.4


,



27


﹣


1.7x+1.7x=13 .4+1.7x


,



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


(


11


)

x


﹣


25%x=24


,

< p>


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


,


-


-


-


-


-


-


-


-