二年级下册万以内加减法口算

巡山小妖精
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2021年02月20日 20:09
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2021年2月20日发(作者:钱商)



520


+


490


=


620


-

570


=


1170


-


280


=




470


+


5 80


=


720


-

< p>
590


=


580

+


230


=




598


+


2 04


=


357


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< p>
448


=


250

+


380


=




1072


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353


=


560


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390


=


473

+


218


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598


+


204


=


357


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380


=




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=


560


-

< p>
390


=


473

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218


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276


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358


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489


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353


=


560


-


390


=


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218


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276


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361


=




358


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587


=


743


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489


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250


=


530


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290


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360


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360


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465


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396


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349


≈


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301


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288


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520

+


490


=


620



470


+

580


=


720


358


+


587


=


+


290


=


+


5 40


=


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160


=


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314


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536


=


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196


≈


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303


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570


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180


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538


=



-


356


=



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198


≈



+


123


≈



+


189


≈



-


182


≈



+


749


≈



-


280


=



+


230


=



180


+


250


=


530



450


-


360


=


280



850


-

580


=


350



465


-


396


=


602



523

< p>
-


239


=


725







801


-


3 09


≈


202



1198-223


≈


959



1390


+

< br>653


≈



452


+


349


≈


942



301


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< br>288


≈


653




520


+


4 90


=


620


< p>
470


+


580


=


720



598

< br>+


204


=


357



+


290

=


+


540


=

+


160


=


-

314


=


-


536


=


+


196


≈


-


357


≈


-


303


≈


-


601

< p>
≈


-


381


≈

< p>
-


570


=


-

< p>
590


=


+


448


=


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570


=



-


180


=



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560


=



-


538


=



-


356


=



+


198


≈



+


123


≈



+


189


≈



-


182


≈



+


749


≈



-


280


=



+


230


=



+


380


=




850


-


5 80


=


350


< p>
465


-


396


=


602



523

< br>-


239


=


725







801


-


3 09


≈


202



1198-223


≈


959



1390


+

< br>653


≈


999



452


+


349


≈


942



301


+


288


≈


653




580+250-470 650+590-580


= =


= =


950


-


570+570 450


= =


= =


224


-


130+640 350


= =


= =


+


160


=


840


-


560


=


-


314


=


705


-


538


=


-


536


=


505


-


356


=


+


196


≈


508


+


198


≈


-


357


≈


249


+


123


≈


-


303


≈


401


+


189


≈


-


601


≈


392


-


182


≈


-


381


≈


552


+


749


≈


-


360+250


-


180+647



743


950


854


840


705


505


508


249


401


392


552


1170


580


950


854


840


705


505


508


249


999


401


392


552


1170


580


250

-


-


-


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