青岛版二年级数学下口算练习

372-212=204+342=224+270=369+358=257+241=346+383=311-276=256+227=364-254=275-264=353-276=223-207=227+351=385-292=262+330=388+334=346-224=363+382=278+388=342+343=333-257=203+247=257+224=377-257=222+297=277-231=297+380=254+203=338+227=383+255=361-213=251+327=378-270=323+303=394+234=295-291=383-265=284+315=232+288=369-225=392+293=224+322=395+213=390-354=286+241=270+254=357-325=289+299=276+299=305-233=348-237=387-209=333+254=321+232=330+355=223+269=269+227=329+379=248+247=205+259=348-307=384-213=361-307=324+223=321+346=271+251=357-348=268-255=351-206=392+267=388+345=258+374=249+356=336+284=354+254=315+286=267+389=375-278=335-314=396-222=323-219=212+240=254+362=286+352=340-230=383-236=247+325=281-270=230-216=292-211=357+320=349-310=357-316=231+259=328-273=357-244=293+244=253-213=324+217=225-207=349-241=325-311=216+278=301+337=368+370=335+356=361-264=335+269=227+314=337-271=392-219=340-277=310-256=350+268=213+322=313-282=286+393=337+300=378-339=353+315=279+208=318-280=334-295=378-341=314+374=239+354=220-216=262-219=383-330=291+348=262-250=381-330=398+368=313-252=287-269=370+244=394-279=296-296=233-216=381+328=207+258=318-309=316+374=253+321=351+355=333+230=381-291=241+325=372+238=371-358=339+334=267+249=387-297=335+372=340-334=377-341=261+233=274-269=383-378=393-343=381-355=229+275=275+336=313+399=329-307=366-341=353-238=257-250=375+290=298-257=391-302=348-338=351-315=256-250=332-286=207+299=210+363=319-246=382-356=329-259=350+346=377-331=332+260=378-327=342+395=208+269=264-246=379+215=370+274=355+351=302-279=374+238=397-278=365-356=310-282=254+276=240-239=385+199=314+257=372+297=286+308=378-328=368-283=347+243=318-304=333-231=310-208=312-288=215-199=304-211=321+343=332-296=381-313=329-325=372-204=218+234=278+207=372-304=333-263=398-289=323-263=343+282=262+396=364+214=216+284=348-310=352-339=200+274=392+241=26-238=309+385=225+322=351-221=385+347=392-255=308+254=211+374=234+204=257-243=375-227=278-235=352-274=204+381=375-329=331-311=388+332=228+201=383-325=327-295=341-298=356+331=273-204=322+315=355-351=390-266=372+354=211+257=342-303=356-340=395-199=320-287=329+240=342-231=265+285=350+378=316+331=359-208=388-356=282-210=273-249=209+236=245+263=235+275=213+265=314-251=294+309=309+395=265+322=399+236=323-268=254+219=232+286=395+297=335-309=210+295=331-273=330-271=360+364=262+381=339+261=259+277=266+309=271-237=258-208=215+310=280+307=315-274=201+390=238-199=295+271=303+365=360+244=250+362=265-224=2