班级                 姓名              时间               
77-38= 89+10= 88-49= 57+3= 1+43=
3+97= 85-50= 15+50= 8+10= 3+54=
12+78= 38+34= 58+26= 20+69= 86-47=
32+8= 57-39= 22+20= 97-28= 93-16=
12+78= 74-16= 49+20= 19+23= 19+58=
23+38= 20+36= 15+25= 83-37= 82+4=
47-38= 43+37= 3+96= 21+67= 45+54=
78-19= 30+23= 56+4= 84+10= 57+10=
47+9= 54+38= 20+13= 9+21= 43+30=
4+26= 8+67= 16-10= 14+79= 70+12=
90+4= 36+60= 34-10= 49+4= 15+4=
62+9= 69+13= 18+20= 53+38= 59+3=
72-23= 71-42= 61-50= 84-70= 25+40=
71+13= 91+6= 30+59= 53-40= 7+36=
18+28= 13+69= 35-10= 6+30= 75-30=
72+20= 39+21= 76-27= 10+82= 40+25=
97-60= 74-28= 79-30= 5+22= 25+10=
8+52= 19+50= 10+32= 8+49= 89+7=