六年级解方程及解比例练习题

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2021年02月10日 19:22
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2021年2月10日发(作者:漏断人初静)


六年级解方程及解比例练习题



4.2



4


x



1.8





x


=20


×



5


x



3


×



3


25


8


1


16



x




=







0.24


x



1.8=4.2





x



=


×


















5


72


9< /p>


6


51


3


5


1


4


5


5





x


- 15%


x


= 68


7


21



2< /p>


1


3


2



x



21


×


=4










x


÷


=12











3.6


x


÷


2



2.16



10


3


3


4



x



1


x



20







4


2


(


x



2


.


6


)



8








6


x



5 =13.4



3


x



5

< br>×


0.3=4.5




15


4


8


2

< p>
1


3


x


-


x


=





4


x



6



38








5


x


=










x


=




5


3


10< /p>


19


15


21




x


÷


=



1


7


3


x


-25%


x


=10


x



x


=


2


8


4


4


5


15


3


25


1


1


3







x



=








x


+


x


= 4







x




x



12




2


6


7


28


5


72



8


x


=


1


×


16



4


x



3


×


9 = 29



9


6


51


< /p>


3


1


3


1


2


1


x


< p>



x



0.25=








4+0.7


x


=102






x


+



x


=42







4


4


8


4


3


2



4


x



6


×


=2







2


1


3


2


7



x


÷



12 3


x



=



x


÷


=


70%X+20%X = 3.6


3


4

< br>8


7


16


2

3


12


3


÷


x



=








9x ÷0.7=


9







8.8



4


x


=40



5


10



x< /p>



x



121 25% +


10


x



=



x



-


0.8


x



=


16+6


x




x



4= 21



20 x



8.5= 1.5


x



25%


x


=90



(


x


-32)


×


5=115



x





x



x


=











2


x


+


2


3


2< /p>


3


=



2


3


3


4


3

< p>
8


4


5


4


5


7


4



解比例


:


x:10=


1


:


1


4

3


0.4:x=1.2:2




1


1


2


:


5


=


1


4


:x 0.8:4=x:8




1.25:0.25=x:1.6




x:


2


=6:


24


3


25





2.8:4.2=x:9.6




5


5


2


=


8


9


x



4< /p>


.


5


x


=


6


2


.


2

< p>
45:x=18:26


1

1


10


:x=


8

< br>:


1


4


2.8:4.2=x:9.6


12


2


.


4


=


3


x< /p>



3


4


:x=3:12


36


x


=


54


3



x:24=


:


8:x=


:





3


4


1


3


4


5


3


4


5


1


1


:


=x:



8

< p>
6


12


1


1


0.6


1.5


0


.6∶4= 2.4∶


x





6∶


x


=< /p>






5


3




3


4



1


4


11


4


25


2



x



5



12



5



36



x





10∶50=


x

∶40




< br>1.3∶


x


=5.2∶20




1


3



1


20



16


4.6


8


9



x


0.2



x






解方程



X




2


7


X=


3


4


2X +


2


3


5


=


5


70%X + 20%X = 3.6




X


×


3


=20


×


1



25% + 10X =


4


5


4


5


X - 15%X = 68




1 2


x


x



1< /p>


1


14


=0.7∶


2



∶3.6=6∶18


< /p>


3


8



x


64



x

< br>X



X



121 5X



3


×




3


8


5


5


2


1




X


÷



12


7


3


4


21< /p>


3


1


3


X




3X=


3



6X



5 =13.4


4


4


8


8



练习二



姓名:



班级:



X


÷


=




12


3


3< /p>


25


8


1


16< /p>




÷


X=



X =



X =


×



5


10


5


72


9


6< /p>


51




X


÷





3


2


1


X



21


×


=4


x


< br>x



20



2


(


x



2


.


6


)



8



10

< p>
3


4


6


26


13


1


1


=


×


4


x



3


×


9 = 29


x


+


x


= 4


25


2


6

35


45


2


7

7


7


3


2


X



X=


4X< /p>



6


×


=2 < /p>


16


8


4


3




2


1


3


6X



5 =13.4


X-


X=


4


χ


< p>
6



38


5


3


10




5X=





15


4


4< /p>


15


8



X=


X


÷


=



19


15


5


28


2 1


2


1


3


25


8


1


16


X< /p>


÷


=12


X=



X=


×



3


4




X


÷


6


26


13


35


=


45


÷


25





4+0.7X=102





X-


3


8


X=400 X-0.125X=8





X+


3


7


X=18 X




5< /p>


72


1


4



2


X+


1


3< /p>


2


X=42 X+


×


(


1


6


+


3


8


)=


13


12


x< /p>


9


6


51


X


4


=30%


1


4


X=105


36


3


X


=


4




0.3 75x=


5


6



X-0.25=

-


-


-


-


-


-


-


-