姓名_ _ _ _ _ _ _ _ _ _ _ _ _ 日期_ _ _ _ _ _ _ _ _ _ _ _ _ 用时_ _ _ _ _ _ _ _ _ _ _ _ _ 82-15= 51-40= 2-2= 31+20= 57+9= 62+4= 81-2= 16+38= 39+28= 68-16= 41+44= 35+17= 98-2= 49-21= 96-9= 34+41= 49-43= 48-25= 40+42= 70-44= 4+70= 31+67= 87+10= 93-40= 26+35= 73-10= 78+14= 83-54= 58-27= 40-18= 80-9= 84-11= 99-80= 37+45= 85-44= 79-15= 51-50= 58+27= 87+12= 28-26= 89-68= 98-16= 96-26= 47-23= 99-61= 38-26= 28-18= 6+86= 67-10= 76-3= 73+1= 88-28= 45+9= 31+67= 67-41= 90-47= 32+53= 16+48= 37+25= 73+14= 42+12= 8+63= 71+4= 64+21= 61-49= 61+17= 99-67= 80-19= 27-5= 37+14= 59-9= 15+72= 45-33= 55+11= 43-21= 49+6= 79+6= 50-16= 31+24= 49+18= 61-14= 35-12= 18-7= 23+67= 34-18= 57-55= 3+83= 91-29= 77-52= 82-77= 46-17= 87+11= 43+27= 7+83= 92-32= 51-25= 33+54= 64-46= 43-6= 19+49= 姓名_ _ _ _ _ _ _ _ _ _ _ _ _ 日期_ _ _ _ _ _ _ _ _ _ _ _ _ 用时_ _ _ _ _ _ _ _ _ _ _ _ _ 19-11= 26- 4= 99-24= 29- 8= 88-77= 50-50= 24-13= 10+20= 14+25= 31-11= 17- 7= 19-12= 88-80= 25-4= 99-23= 24-13= 15+14= 90-10= 20+8= 25+33= 18+11= 28+2= 29+1= 25+25= 26-10= 12+5= 28+11= 25+12= 23-3= 12+10= 16+13= 24+4= 19+11= 17-12= 18-8= 19-6= 29+10= 72-10= 20+30= 99-98= 12+17= 60-40= 17-17= 90-40= 16+54= 20-10= 70-50= 50-30= 60+30= 12+33= 28+6= 16+44= 20+44= 50-50= 19-18= 18-15= 88+12= 66-16= 90-30= 65-25= 50-20= 87-7= 80+9= 18-13= 13+17= 15+53= 16+13= 14+22= 89-80= 14+26= 56-40= 66-20= 99-33= 66-46= 19+60= 17-( )=0 17-14= 15-3= 80+4= 26-16= 19-( )=13 27-14= 18+( )=20 14+( )=27 67-12= 16-( )=12 65-33= 65+25= 24+24= 8+( )=16 10+( )=50 65+( )=70 ( )-20=50 40+( )=60 20+( )=30 87-33= 16-6= 80-( )=0 75-25= 30+30= 姓名_ _ _ _ _ _ _ _ _ _ _ _ _ 日期_ _ _ _ _ _ _ _ _ _ _ _ _ 用时_ _ _ _ _ _ _ _ _ _ _ _ _ ...