分数方程专项练习题(有答案)

巡山小妖精
515次浏览
2021年02月19日 10:28
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2021年2月19日发(作者:报废物资)


小学数学专项训练

































分数方程专项练习


180


题(有答案)




(


1


)


+X=


,



(


2


)


X


﹣


=


,


< br>(


3


)


x+

x=42


,



(

< br>4


)


=


,



(


5


)


5 x


﹣


3


×


=< /p>


,





(


6


)


x+


=


,



(


7


)


+2x=


,

< p>


(


8


)


12


÷


(


x+


)


=1.2


,



(


9


)



(


10


)




小学数学专项训练



(


11


)


X

< br>×


2=4


×


5

< br>,


,







(


12


)


X


﹣


X=


,



(


13


)


90


×


+


x=20


,



(


14


)


0.2x+


=8


﹣


x


,< /p>



(


15


)


X+


(


3X


﹣


16


)


÷


=10< /p>


(


X+1


)


,< /p>


(


15


)


=


,





(


16


)


X

< p>
﹣


X=1


,


< p>
(


17


)


x+

< p>
x=42


(


18


)


,


(


19


)


﹣


=1


,



(


20


)


2X+1


=2


,



(


21


)


﹣


x=










小学数学专项训练



(


22


)


x+2


=4.25



(


23


)< /p>


x


﹣(


1


+


)


=4.5


(


2 4


)


37.5+


+x=69

< p>



(


25


)


,


(


26


)


x=2.4


×


5

< p>
,



(


27


)


x


﹣


+

< br>=


,





(


28


)< /p>


x+


x=121


,



(


29


)


(


x+


)


×


7 =8.1


,


(


30

)


=


,



(


31


)


4x+


=5


,




(


32


)


+x=9

,



(


33


)


x


﹣


x=


,












小学数学专项训练



(


34


)


x+


x=11


,



(


35

< p>
)


2x+


=4.625


,


(


36


)


﹣< /p>


2X=


,



(< /p>


37


)


x


﹣


x=2


,



(


38


)


+21.5=


x


,


(


39


)


﹣


3x=


,





(


40< /p>


)


+


x=


,



(


41


)


x+5


×


4=95


(


42


)


x


﹣


x=






(


43


)< /p>


﹣


3


χ


=


,



(


44


)


x


﹣


x=0.2


,


(


45


)


y


﹣


4


﹣

< p>
y=18


,









小学数学专项训练



(


45


)


,

< br>


(


46


)

×


3+2.75x=


,



(


47


)


,

< p>
(


48


)


5x

< p>
﹣


3


×


=


,



(


49

< br>)


x=


,


(


50


)


x+

x=39


,






(


51< /p>


)


7x


﹣


3x=


,



(


52< /p>


)


x+


=


,



(


53


)


﹣


=


,


< p>
(


54


)


,


(


54


)


,


(


55


)


5x


﹣


=34





小学数学专项训练



(


56


)


x

< br>﹣


×


6=


(


57


)


x+1.2x=25 < /p>


(


58


)


8


﹣


4.5x=


,



(


59


)


x< /p>


﹣


0.95


×


4 =8.5


,


(


60

)


2x


﹣


=2+

< br>,


(


61


)

x+


x=


,





(


62< /p>


)


x


﹣


=2


﹣


,



(


63


)


﹣


=2.5


,



(


64


)


x=18


,



(


65


)


x


﹣


=


,


< p>
(


66


)


x


﹣


x=


,



(


67


)


,

< br>








小学数学专项训练



(


68


)


,









(


69< /p>


)


x


﹣


x=


,



(


70


)


1.25


:


0.2 5=


,



(


7 1


)


1


﹣


x=


,



(


72< /p>


)


x+


x=


,< /p>



(


73


)


x+


x=42


,





(


74< /p>


)


x+0.25=


,


(


75


)


x=10


×


,


(


76


)


x+

x=2


,



(

77


)


x


×


(


1


﹣


37.5%

< br>)


=


,


(


78


)


(


x+


)


=2


,



(


79


)


x=50

×


,




小学数学专项训练



(


80


)


x+


x=42


,



(


81

< p>
)


4+


x=102


,



(


82


)


X+


X=


,





(


83< /p>


)


X=


,



(


84


)


(


1


﹣


)


X=


,


(


85


)

< p>
χ


﹣


χ


=


,




(


86


)


χ


=42


×


,



(


87


)


8x


﹣


×


3=


,



(


88


)


+< /p>


=1


,



(


89


)


3x


﹣


×


=50%


,


(< /p>


90


)


3x


﹣< /p>


x=


,



(


91


)


+x=


,< /p>






小学数学专项训练



(


92


)


﹣


x=


×


,



(

93


)


÷


x=0.8


,



(


94


)


x+5


×


4=95


,



(


95

< p>
)


x


﹣


x


﹣


4=18


,


(


96


)


÷


ⅹ


=


,



(

97


)


x


×


=4


,





(


98


)


ⅹ< /p>


=


,



(


99


)


ⅹ﹣


6=7< /p>


,



(


100< /p>


)


+5x=110


,

(


101


)


x

﹣


4=60


,


(

< br>102


)


x


﹣

< br>x=9


,


(


103


)


x


﹣


x=3.6


,







小学数学专项训练



(


104


)


÷


x=



(


105


)


=9.1


,



(

< p>
106


)


4


(

< p>
+x


)


=


,


(


107


)


×


0.25+


x=


,


(


108


)


x+


x=< /p>


,



(


109< /p>


)


,





(


110


)


,



(


111


)


+3x=


,



(


112


)


=


,



(


113


)


×


﹣


X=< /p>


,



(


114< /p>


)


x


÷


=30< /p>


,



(


115< /p>


)


﹣


x=7


,< /p>





小学数学专项训练



(


116


)


x=


×


10


,



(


117


)


X


﹣


X=6


,



(


118


)


X


﹣


2=13


,



(


119


)


(


1


﹣


)


X=480


,


(


120


)


6X+


X=39


,



(< /p>


121


)


2.4


﹣


=3.2


﹣


x


,




(


1 22


)


,



(


123


)


,


(


124


)


X


﹣


X=


,



(< /p>


125


)


6X+4.5=


,



(


126


)


80%X


﹣


0.6=4.2


,



(


127


)


X+


X=


,






小学数学专项训练



(


128


)


X+


X=

< p>
,



(


129

< p>
)


÷


x=


,



(


130


)


x


÷


=42


,



(


131


)


x+


=


,



(


132


)


X


﹣


=


,


(


133


)


X+

< br>X=3


,





(


134


)


X+


=


×


8< /p>


,



(


134< /p>


)


,


(


135< /p>


)


,


(


136< /p>


)


x


﹣


7.5=


,



(


137


)


2X+


=1


,



(


138


)


X


÷


=


,< /p>





小学数学专项训练



(


139


)


X


﹣


X=1.5


,



(

< p>
140


)


x=28


×


,


(


141


)


(


x+3


)


×


=48


,



(


142


)


x


﹣


=


,



(


143


)


,



(


144


)


2


÷


x=2


,





(


145


)


3


﹣


4x= 2


,




(< /p>


146


)


x


÷< /p>


=


÷



(


147


)


÷


x=


÷


.



(


148


)


X


﹣


25%X=135


,



(


149


)


X


﹣


12.5


×


4=0

< br>,



(


150

< br>)


x+


×


=1

< br>,





小学数学专项训练



(


151


)




x


×


(


﹣


)


=


,



(


152


)


8


×


﹣


1.5x=1. 1


,



(


15 3


)


x


x=2


,



(


154


)


x


﹣


=


,< /p>




(


155< /p>


)


x


﹣


x=15


,



(


156


)


X


÷


=


,





(


157


)


(


X


﹣


)


=


,



(


158


)


X+


X=


×


,



(


159


)


﹣


x=


,



(


160


)


x+0.75


﹣


=0.15


,


(


161


)


2 x+


=4.625


,



(


162


)


÷


4.8x=15.8


,




小学数学专项训练



(


163


)


x=14


,



(


164


)


x+


x=2.1


,


< /p>


(


165


)


2. 7


÷


120%x=9


,



(


166


)


(


13


﹣


X

< br>)


×


=6


,

(


167


)


x

﹣


21


×


=4

< br>(


168


)


1

< br>x+


x=





(


168


)


x


×


(


﹣


)


=



(


169


)


2


+x=5< /p>


,



(


170< /p>


)


4x


﹣


=


;



(


171


)


x


÷


=



(


172


)


x


﹣


x=3


(


173


)


6x


﹣


3.5x=


÷




小学数学专项训练



(


174


)


﹣


3X=

< p>


(


175


)



(


176


)


5 X


﹣


3


×


< /p>


(


177


)


x< /p>


×


×


=5


(< /p>


178


)


χ


=< /p>


,



(


179< /p>


)


χ


+


χ


=


,





(


180


)


x=



(


18 1


)


x+15=40


(


182


)


x


÷


=













专项练习参考答案:


(


1

< br>)


+X=


,







+X


﹣


=


﹣


,












X=


;




-


-


-


-


-


-


-


-