二年级上册口算竞赛题.doc

二年级上册口算竞赛题（50道15分钟）
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41-2=             16+80=                  72-9=             26+3=             20+39=  
6+25=             54-9=                    47-6=             59-13=             65+8=
73+17=           82-7 =                  38-19=              95-8=              15-8=     
5+46=             82-50=                 56-49=              70-4=             70-39=      
12+9=             18+5=                   7+36=             5+86=             69+21=      
70-25=           18+23=                  42-24=           54-13=             90-69=     
7+59=              72-6=                  90-58=            85-41=             28+34=     
3×6+19=         4×5-7 =              6×5+47=        4×3+9=       6×4+18=
 39-21+50=        74-34+18=      99-14+9=       
3+84-18=         13+72-15=        62+15-8=    
    45-34+40=          59+40-28=          20+67-29=     
   65-16+50=