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1、50以內(nèi)口算練習(xí)一班級(jí)姓名分?jǐn)?shù)_____20+12=????????22+13=????????24+14=?????????25+15=????????26+16=25-5=????????35-6=?????????45-27=????????35-18=????????25-9=48-10=????????47-18=?????????27-20=?????????37-30=?????????37-14=23+17=????????32+18=??????????43+3=??????????43+4=??????????43+5=
2、49-10=????????38-12=?????????48-28=?????????38-33=?????????28-4=30+16=????????33+17=?????????44+4=?????????24+15=?????????40+6=33-25=????????23-16=?????????43-17=?????????30-18=?????????32-9=43+7=?????????42+8=??????????24+9=??????????34+10=?????????24+11=43-10=????????32-
3、11=?????????42-20=?????????42-40=???????32-5=34+12=????????24+13=?????????14+14=?????????24+15=????????14+16=41-12=????????31-2=?????????41-30=?????????31-24=?????????21-5=40-26=25?+7=????24+17=????27+19=???????45-28=25-9=33-14=????42-17=?????31-6=????43-15=26+9=18+14=????
4、?28+15=??????9+31=41-27=31-19=32-8=????46-7=?????33-6=?????35-15=26-7=?33-27=???27+14=????18+13=???????37-16=10+26=????9+25=??????41-37=??26+10=????8+25=19-8=????28+5=?????29+15=?????18+16=?17+14=28+2=?34+7=?????23+19=??????32-8=???????25+18?=16-9=???33+6=?43-27=?????35-6=
5、?????42-15=50以內(nèi)口算練習(xí)二班級(jí)姓名分?jǐn)?shù)_____13+25=?????33-16=????36+9=?????19+15=????????30-28=40+6=????19+9=?????38+7=??29-7=???????16+33=43-19=????35-18=????26+5=????42-13=?????31-14=32-19=????39-32=????46+3=????25+17=????????35+6=33-19=???43-28=???30+4=?????42-26=???44-35=?36+8=????
6、46-28=?????27+4=??35+5=???????34+9=44-6=????7+32=?????47-10=??26+8=??????19+16=28+5=?????31-3=????18+25=??????27+9=??????15+27=32-18=????29+2=?45-27=?????34-26=?????31-15=41-19=????35-8=?????37-10=???42-34=?????41-28=21-13=????32-14=??29+8=????31+12=?????34-10=39-15=????49
7、-26=?????40+7=??????37-8=??????39-29=18-10=???17-1=?????17-2=?????17-3=??????17-4=20+17=?????22+18=?????30+13=??????13+24=????23+15=19-10=????28-10=????28-23=??????48-30=??????38-24=31+16=?????32+17=?????46+4=?????14+25=?????34-6=23-5=?????33+16=????43-27=??????43-18=?????
8、35-29=4+27=??????24+8=????24+9=??????34+10=?????14+11=33-10=????42-13=????32-23=????32-24
