六年级解方程专项练习题有答案ok

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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:黏人的心动歌词)


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



9


×


3



1.7x=13.4




11



x



25%x=24





12



x



+0.2=

< p>




13



0.6x+90%x=78




14



20%x



2.4


×


3=0.8




< p>
15



x



x=42




< p>
16



0.6x+3


×< /p>


2.5=67.5



< br>(


17



1

÷(


x



0.45



=5



< br>18



x


2.25=8.25





19




x=3



12





20



x+0.8 =5.6





21) 1.4



x=1



0.75




(22) x


×(


2




=24




(23) 4x



=3





24



12 x+7


×


0.3=20.1





25


< p>
x+


x=



< p>


26



x



42=





27



×


0.5+


x=



< p>


28



0.8



=0.48



x





29


)χ﹣


χ


=





30



42



=


χ:




31


< p>
5x



0.4=75%




( 32) 6x



0.9=4.5




(33



2



x



3



=5.8< /p>





34) 1.6x=6.4




(35) 4 x



3


×


9= 29




(36



16+8x=40





37



x


÷


1.1=3





38



+2x=





39



×


3



7x=1.04





40



x

< br>﹣


1



x=2

< br>,




41


x



x=14

< br>,




42


3x



x=




43



=





44



1.2



=




(< /p>


45



=






46




=x



0.8





47



x


=

< p>
+1





48



1



25%X+25%x=


+25%x


< br>=





49



×


X=





50




51



5



8=x



32





5 2



2x+3


×


0.9=24.9




< p>
53



5.3x



2.9x=




(< /p>


54



×(


7< /p>



2.8x



= 1.5




55



x



0.3=





56



150%x+66=99


(< /p>


57



x+6



0.8x=16







58



< /p>



59




60



3


÷(


X




=1.3



61



(< /p>


X+0.5


):


2


=



X



4


):





62



X


÷


0.05=3.528


< p>



63



2X



4


×


6=80





64



4


×


4.5



3X=6.38


,< /p>




65



4X



7.2=10





66



11.5X+X=20





67



3.8


×


12+15X=87.6





68


< br>6X+5=17





69



0.6


×(


2.5+X



=4.2




70




=X






71






72



< /p>



73






74



4



+x



=





75



×


0.25+


x=





76



x


< p>




77



200



6=x






78



4


÷


X=




< br>79



8


x



2



=2



x+7


),



80




18%=





2x=





81



x+


x=46





82




8 3




x=






84< /p>



=





85



5



3x



4

< p>
)﹣


2



x



1



=5



2x



1

< br>)



86


=





87



8



2 X



7



=5



X+13


),




88



3



x+4.5


=60




89



1.6x+2.4=7.52





90



3



x


﹣< /p>


0.8



=6.3





91



28.4



5x=5.8

< p>




92)x



=




93



+2x=





94


< p>
x=15%





95



x



x=




< p>
96



x+50%x=6





97




x=0.3



12





98



4x+2


8



x



=26





99



x



= 0





10 0



+


x=1





101



x


×(


+



=





102






103






104



x






105



x


×





106



5x+35=650





107



720


÷


3x=80





108



3.6x



0.9x=8 .1





1 09



4


×


4 .5



3x=6




110


=





111



6


×


3



1.8X=7.2





112



÷


x=





113



x


÷


=42





114



x+


=




< br>115



7x


÷


3=8.19





116



12



0.6=x




< /p>



117



3< /p>



x+2



=4



x+1


),


(118)3x



70%x=9.2






(119) 6+


x=240



< br>(


120



22.5

< p>


0.4x=12.5





121



x



3.5=4



2





1 22



x



0 .8x



6=16


< br>



123


< br>:


=x



8




124





125



x



15=






126



x+


x=





127



x


×


50%



x=5




128


1



x=





129



2.5+1


x=3





130



3


x



2


=4





131



8.5



3x=2





132



3


÷


x=4





133



x



5%=17.5 4





13 4




=


:(


4



x


),< /p>


(135) 6x+31=49




(136) 7x


÷


3=8.19< /p>




(137) 32.8

< p>


9x=17.5




(138) x



0.36x=16




(139) 6


×


7+3x=69




(140) 6x+2x



56= 0




(141) 3x

< p>


0.45


×


4=2.7




(142) 5.8x



4.6x=0.96




(143) 8.4


÷(


9



x



=3




(144) 3x

< br>÷


1.2=8





145



5x+28=7 1





14 6



8.7



1.2x=3.9





147



8x


< p>
2.6x=37.8





148



0.75x



0.95


×


4=8.5




149



54


÷


2+3x=72




150


8x



2.6=37.8





151



x


÷


=

< p>




152

< p>


x+30%x=26





153



7.8



3x=3.6





154



6


×


3



1. 8x=7.2




< br>155



10



x=4.5



0.8





156




=x






157



X



7.65=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


< br>



164


< br>x



6.8=15.4





165



1.9x=5.7





166



4.3y



y=4.6



< p>


167



5x+2.6 =7.6




(168) x



1.5=12.9




(169) 9x+5x=8.4




(170) 6.8+3.2x=14.8




(< /p>


171



5


÷< /p>


x=





172




x=< /p>





173< /p>



4.5


×


﹣< /p>


3


x=1.5





174




1+25%



x=0.5





175



x



40%x=9





176



x


×


20%=15 .2





1 78



x



x =





17 9



x


÷


75 %=3





180



4x






181




x=



4.5





182




x



4.5


)×


6=12.5

< p>




183

< p>


27



17x=13. 4





18 4



9.6+3x=3.24


×


5




< p>
185



2x+5=5x



7




(186) 3



x



2



=2

< br>﹣


5



x



2


),



187



4x



3



20



x



+4=0





188




=1





189



4x



5


×


6=12




190


8x



3x=15.6








191



30


×(


x


÷


4



=60





192



7.2


×


0.5



3x=1.2





193



5x



2.4


×


5=8





194



+


x=


×

< p>
2





195



5x+2.4


×


15=66






196



3 .2x+2.8x-x=1






197



2 .5


×


16-8x=12


< p>




198



9.6-3x=6.3


,< /p>






199



5



x+6



=75






2 00



x


÷


0 .7+0.9


×


3=4





解方程专项练习


200



答案:



1



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< /p>


÷(


x



)×(


x




=6< /p>


×(


x



),< /p>


1=6


×(

< br>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 =




x


﹣< /p>


0.6+0.6=


+0.6


< p>


x=




x


÷


=


÷

< br>,



x=1


< p>


13



0.6x+90 %x=78




1.5x=78




1.5x


÷


1.5=78


÷

< p>
1.5




x=52




< p>
14



20%x



2.4


×


3=0.8




20%x



7.2=0.8




20%x



7.2+7.2= 0.8+7.2




2 0%x


÷


20%=8


÷


20%




x=40





15



x



x=42




x=42





x


÷


=42


÷





x=252



16



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



1

< br>÷(


x



0.45



=5




÷(


x



0.45

< p>
)×(


x



0.45



=



x



0.45


),


x



2.4=1.6





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


(< /p>


20



x+0.8=5.6




x+0.8



0.8=5.6



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



12x+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=





2 6



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



42



=


χ:



x=42


×




x


=30




x=50



< /p>



31



5x< /p>



0.4=75%



5x



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

< br>,



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

< p>


38



+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




x



1+1=2+1





x=3





x


=3





x=18





41



x



x=14





x=14




x


=14




x=18





42



3x



x=




x=




x


=




x=





43



=




2.4x=72


×


0.26




2.4x=18.72




2.4x


÷


2.4=18.72


÷


2.4



x=7.8




44



1.2


< br>=




x=1.2


×


5




x=6




x


=6




x=9





45



=





x=18


×




x=




x


=




x=12





46



< p>
=x



0.8



x=


×


0.8




x


=0.04


,< /p>



x=0.2




47



x


=


+1




x

×


=


×




x=1





48



1



25%X+25%x=


+25%x

< p>



0.25x+0.25



0.25=1



0.25




0.25x=0.75




x=3




=





49



0.25x=1.25


×


1.6




0.25x


÷


0 .25=1.25


×


1.6


÷


0.25




x=8




×


X=



< /p>



50



×


X


÷


=




x=





51



5



8=x



3 2




8x=5


×


32



< br>8x


÷


8=5


×


32


÷


8


< br>


x=20



52< /p>



2x+3


×


0 .9=24.9




2x+2.7=24.9




2x+2.7



2.7=24.9


﹣< /p>


2.7




2x


÷


2=22.2


÷


2




x=11.1




< br>53



5.3x



2.9x=




2.4x=




2.4x< /p>


÷


2.4=


÷


2 .4




x=





5 4



×(


7



2.8x



=1.5

< br>,



×(


7


2.8x



=1.5

< p>



7



2.8x=2.1




7



2.8x+2. 8x=2.1+2.8x




7



2.1=2.1+2.8x



2.1



4.9< /p>


÷


2.8=2.8x


÷

< br>2.8




x=1.75




< br>55



x


0.3=




< br>x=0.3


×







x


=




x=





56



150%x +66=99


1.5x+66=99


1.5x=33


x=22



57



x+6



0.8x=16


0.2x+6=16


0.2x=10


x=50




58



x=14.4




59



0.55x=5.5


x=10



60



3


÷(


X




=1.3


3


÷(


X


﹣< /p>


)×(


x



)< /p>


=1.3


×(


x



),


3


= 1.3x



0.78




3


+0.78=1.3x



0.78+0.78




4.68=1.3x




4.68


÷


1.3=1.3x


÷


1.3




x=3.6




61




X+0.5


):


2


=



X



4


):

< br>,



×(


x


4



=



x+0.5


)×


< br>


x



×


4=


x+


×


0.5

< br>,



x



10



x=


x+

x




2.25 x



10+10=0.125+10




2.25x


÷


2.25=10.125


÷


2.25




x=4.5



62



X


÷


0.05=3.528


< p>


X


÷


0.05


×


0.05=3.528


×

0.05




X=0.1764





63



2X



4


×


6=80


< p>


2X



24= 80




2X



24+24=80+24




2X=104




2X


÷


2=104

< p>
÷


2




X=52





64



4


×


4.5



3X=6. 38




18



3X=6.38




18



3X+3X=6.38 +3X




6.38+3X=18




6.38+ 3X



6.38=18



6.38




3X=11.62




3X


÷


3=11.62


÷


3




X=





6 5



4X



7 .2=10




4X

< br>﹣


7.2+7.2=10+7.2



4X=17.2




4X< /p>


÷


4=17.2


÷


4




X=4.3




66



11.5X+X=20


,< /p>



12.5X=20




12.5X


÷


12.5=20


÷


12.5




X=1.6




67



3.8


×

< br>12+15X=87.6




45.6+15X=87.6




45 .6+15X



45.6=87.6



45.6




15X=42




15X


÷


15=42


÷


15




X=2.8



68



6X+5=17




6x+5



5=17



5




6x


÷


6=12


÷


6




x=2





69



0.6


×(

2.5+X



=4.2




0.6


×(


2.5+ X


)÷


0.6=4.2


÷


0.6



2.5+x=7




2.5+x



2.5=7


< p>
2.5



x=4.5




70




=X




x=


×





x


÷


=





x=0.6



71

















72















73< /p>











74< /p>



4



+x



=




+4x=




+4x



=





4x=4




x=1





75



×


0.25+

< br>x=




0.2+


x=




0.2+


x


< p>
0.2=



0.2



x=





x=




76



x


﹣< /p>










x=





7 7



200



6=x





6x=200


×




6x


÷


6=480


÷


6




x=80



78



4


÷


X=< /p>




4

÷


X


×


X=


X




X=4





X


÷


=4


÷< /p>





X=10





79



8



x



2



=2



x+7


),



8X



16=2X+ 14




6X



16=14




6X=30




X=5





80



:< /p>


18%=




X =0.18


×


6.5





X=1.17





X=7.8



2x=





81



﹣< /p>


2x+2x=


+2x


< br>



+2x=





+2x



=






2x=




2x


÷


2=


÷


2

< p>



x=




x+


x=46





82



x



+



=4 6




x=46





x


÷


=46


÷





x=40





83




x=





x=


×





-


-


-


-


-


-


-


-