五年级口算题

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2021年02月20日 05:19
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2021年2月20日发(作者:春娇救志明粤语)


一、口算。结果请用最简分数表示。



1


1


1


1


2

< p>
1


4


1


7


3


+


=



-


=



-


=



-


=



-


=



2


3


2


4


5< /p>


5


7


7


8


8



1


2

< p>
5


2


1


1


3


1


2


1

+



=



-


=



+


=



-


=



+


=



10


5


6


3


3


5


8


4


3


3



5


5


9


1


4


2


1


1


1


1

< br>-


=



-


=



-


=



+



=



-


=



12< /p>


12


10


10


5


5


6


3


2


8



3


3


1


1


4


3


7


5


5


+

< br>=



-


=



+


=


1


-


=



+


=



8


8


2


5


7


7


8


6


6



5


3


1

< br>9


3


5


5


3


5


1


-


=



+


=



-


=



-


=



+


=



12< /p>


5


2


10


10< /p>


7


7


8


8



1


7


1

< p>
3


3


1


9


1


9


3


+

=



+


=



+


=



-


=



-


=



6


12


4


4


7


2


10


2


10


5




5

< p>
8


1


7



+



=






+



=




9


9


8


8





19


13


19


3



-



=








+



=



24


24


36


36


3


4


11


1< /p>


1


1


12


3



+



=







-



=






-



=








-



=



7


7


8


8


4


9


13


13


8


4


1


1


1


3


1


1

< br>7


3


3



+



+



=




1


-



-



=





+



+



=






-



+



=



9


11


9


6


6


4


4


4

< p>
8


8


8


+


-



=









=









-


=









+


=



+


=



-


=



1


1


4


3


7


5


5


-


=



+


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1


-


=



+


=



2


5


7


7


8


6


6



5


3


1


1


1

< br>2


1


1


-


=



+


=



-


=



-


=



12


5


2


2

< br>4


5


5


4


1


7


3


3


1


9


1


9


3



-


=



-


=



+


=



-


=



-


=



7


7


8


8


7


2


10


2


10


5


1


2


5


2


+



=



-


=



10


5


6


3


+


=



-


=




二、计算(能简算的要简算)


。



5


3


1


1


5


3


1


1


(


1


)



-



+



(


2


)


1


-



+



(


3


)



+


2



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1



8


10


4





(


4


)


5


3


2


1


5



-


2


3



+


3


6







(


7


)


2


-


1


7


8



-


8








(


10


)< /p>


9


3


10



+


3


20



-


15







(


13


)


2


5


2


7


6

< p>


-﹙


3



+


12



)






(


16


)< /p>


1.875


+


2


3






24


48


4


5


2


(


5


)


5


7



-


4


15


< /p>


+


2


2


3


3


2


7



-


15



(< /p>


6


)


1


4



-﹙


4



-


3



)



(


8


)


1


2


3



+


5


3


8



-


3

< br>3


4


(


9


)


4


1


1


5



-


4



+


3



(< /p>


11


)


1


-


7


3


27


13


5


12



+


4



(


12


)


28



+﹙


14



-


7



)


(


14


)


15


1


4



-


5


1


2



+


7


5


6

< br>


(


15


)


1


5


1


1

6



-﹙


3


3



-


1


2



)


17


)


1


2


7


8


+

< p>
15


+


8


(


18


)


5


+


3


-


1




6


4


3





(


(


19


)


11


12



-


(


1


6



+



1


8


)


(


20


)


11


-



7


10



-



3


10



(< /p>


21


)


7


12< /p>



-


(


3


4



-



1


2


)


3


5


1


4


2


1


5


2


4


+


7


+


2



5


+


3


+


5



17


-


4


51


+


3







1


-


17


18


-


1


18


7


10


-


(


3


3


11


15


8


7


-


10


)


12


+


16


+


15








5


12


+


3


4


+


1


12



7


10


-


3


8


-


1


8



1


8


+


2


15


+


7


8







5


11


1< /p>


1


7


3


6


+


3


4


-

< p>
1


3



12



-


(


6



+



8


) 11


-



7


3


1


10



-



10



12



-


(


4



-



2


)







1


2



-(


3


4



-


3


8



)



5


6


-


(


1


3


+


3


10



)



2


3


+


5


6



-



1


6





(


7


)< /p>


X+


2


7


=


2


3



(


8


)


X


-


1


6


=


3


8


< /p>


(


9


)


1


5



+


X=


2


3







1


2


4


1


1


3


1


7


+x=


3



5


-x=


4


x-


6


=


8



5



+


X=< /p>


2


3


-


-


-


-


-


-


-


-