班级        姓名        成绩         
38+48=         26+53=        40－27=       34-6=  
 8+31=          42+14=        16+39=        49+5=
 12+34=         45+47=        64+24=        57+13=  
 59-18=         79-15=        42+38=        42+23=              87-40=         74+18=        33+6=         45+23=          31+45=         20-9=         43-4=         36+24=         54+36=         34-19=        66-19=        54-0=          13+26=         15+28=        55－20=       6+89=       90-16=         49-15=        76-7=         69-24=         86-34=         74-52=        52-35=        43-18=        
 73－54=        60-23=        98＋9=        34-7=
51-26=         63-49=        46-17=        96-46=
42-18=         60-37=        91-14=        53-45=      
 54-25=         76-34=        66-49=        45-37=    
 24+28=         60-18=        37+14=        42-27=
91-54=         80-18=        60-35=        91-14=       
 列竖式计算：
 51+28-19=     6+49+28=     26+54-60=      62-27+19=