二年级数学上册口算竞赛班级 姓名 得分54-45= 35+27= 84-48= 40-29= 56-28= 48+48= 60+25= 72-45= 46-38= 78-69= 33-17+15= 75-36+10= 72-54+12= 65-39-15= 86-12-15= 62-18+24= 54+21+18= 53-29+19= 35+12-28= 57-33+31= 9X5= 0X4= 8X1= 7X9= 8X6= 3X4= 3X9= 7X5= 4X2= 3X3= 6x8 8X3 5X8 6X9 9X4 5X8+8 8X2+8 6X8-8 5X9+9 9X3+97X8-8 8X4-8 4X8+8 7X9-9 9X5-5 8X9 9X9-9 7X9+9 3X3+2= 4X5 -1
