For personal use only in study and research; not for commercial use口算姓名: 时间: 成绩: 25+19= 28+20= 39-18= 40-17= 25+24=48-19= 19+22= 37+11= 29-14= 44-20=22+11= 38+12= 20+19= 41+17= 38+26=49-9= 48-11= 32+10= 3+40= 61+24=20+19= 11+19= 11+34= 10+29= 10+36=51+16= 1+36= 1+44= 49-8= 48-17=