班级                 姓名              时间               
3+53= 51+39= 25+87= 97-50= 9+90=
46+50= 10+38= 23+38= 31-30= 62+29=
12+19= 80+17= 98-19= 46+40= 58-28=
34+16= 42+19= 54-35= 77+14= 25+66=
81-50= 51-40= 48+16= 42+39= 49+50=
27+66= 10+19= 20+28= 19-10= 42+19=
30+34= 18+64= 14+58= 7+48= 26+16=
62+30= 6+23= 40+3= 22-20= 77+6=
81-80= 8+39= 9+26= 2+79= 1+38=
74-20= 94+2= 38+60= 23+30= 10+27=
41+19= 18+53= 3+10= 8+45= 64+9=
17+84= 54+27= 9+27= 96-20= 55+1=
36+40= 89-70= 24+3= 30+44= 14+36=
23+40= 3+92= 47+10= 4+49= 20+44=
47-20= 14+30= 2+85= 80-80= 40+43=
60+25= 64-30= 4+42= 40-20= 70+12=
8+28= 71+3= 8+71= 18+60= 52-40=
37+8= 51+9= 20+9= 88-69= 55+30=
57+29= 18+16= 43+29= 4+25= 68-59=
51-40= 71-10= 2+21= 7+45= 5+58=