二年级数学上进位加法退位减法练习题
二年级数学 一、口算题。 36-7 26+14 23-7 29-13 60 32 - =====43+19 29-8 17-8 11-2 37+4 =====2+24 53
二年级数学 一、口算题。 36-7 26+14 23-7 29-13 6032 -= = = = = 43+19 29-8 17-8 11-2 37+4 = = = = = 2+24 53-8 23-7 32+9 48-9 = = = = = 17+33 26+5 70-5 42-4 44-4 = = = = = 28-7 60+13 13-8 20+50 81+7 = = = = = 52-52 52-0 80-9 80+9 99-9 = = = = = 88-80 88-8 88+8 8+80 87-8 = = = = = 19+6 52-6 20-2 61-7 5+43 = = = = = 22-5 83-80 55-3 6+56 40+35 = = = = = 70-20 83-4 72-6 27-6 27+6 = = = = = 39+5 100-50 35-20 36-8 32-7 = = = = = 9+61 48+8 3+57 45+5 21+4 = = = = = 10+32 32+38 32+9 15-4 50+50 = = = = = 88-9 60+30 72-20 32-17 63+37 = = = = = 25+8 36+7 59+2 50+16 39+40 = = = = = 二、列竖式计算 :

