二年级（上）口算训练（4）班级 姓名 时间 36+30= 59+40= 12+39= 51+16= 20+18= 85+9= 79+11= 78-58=35-17= 72-27= 43-32= 69+21=50+15= 61+20= 9+29= 60+19=58-28= 12+18= 88+20= 39+18=4+30= 20+67= 24+63= 52+36=37+42= 45+34= 54+33= 49+44=56-22= 43-13= 88-62= 92-71=89-5= 67-40= 80-9= 39-21= 22+4= 30+68= 31+36= 90-30=55+23= 20+53= 35+25= 34+43=78-37= 60+25= 8+23= 38+22=30+54= 40-31= 66+33= 35+35= 80-25= 50+50= 70-30= 9+26=18+28= 40+19= 6+22= 31+6=25+63= 76+5= 32+18= 37+38=9+56= 37+41= 70-22= 45+24=62+26= 66-16= 71+12= 32+32=