小学一年级数学上学期作业练习

74-23=           53+23=          42+14=          75-23=           31+14=   

38+20=          42+26=          50+18=          30+19=          31+46=   

72+4=            40+67=          84-20=           47-11=           28-4=      

94-63=           63-22=           90-80=           59-4=             67-3=      

75-23=           56+23=          35+14=          76-53=           32+16=   

50+12=          14+30=          32+47=          16+61=          27+60=   

73+5=            23+30=          50+21=          40+37=          70+11=    

75+3=            78-7=             98-6=             92+5=            71+6=     

51+12=          16+31=          30+45=          70+61=          24+61=   

70+4=            41+60=          83-21=           46-10=           26-14=          

94-70=           63-40=           90-21=           58-18=           68-15=          

75-20=           56+20=          30+14=          77-20=           31+10=   

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