二年级上册口算练习题(30份).pdf

03 =54+63 =9-83 =3+51+2 1 =4 1+2+31 =43-47 =9 1-72 =51+42-03 =6-51-52 =62-57 =61+85 =5-9 1-82 =3+5+2 1 =93+82 =31-46 =3+6-22 =0 1+3+51 =84+73 =72-65 =4-7+51 =4-8-52 =43+82 =82-45 =9-8+32 =51+2+31 =82-67 =43- 15 =8-4+52 =5-31-22 =9 1-76 =61+73 =71+8-52 = 1+71+2 1 =42-38 =94+33 =6 1+51-52 = 11-2 1-62 =81- 19 =92+64 =7 1+81-9 1 =8-8-62 =81+62 62+53 =5-31-03 = 1+5+9 1 =5-45 =72+82 =3+51+2 1 =4+31+2 1 =82-45 =63+83 =6-81-03 = 1-7 1- 12 题 对 秒 分 日 月 年 算 口 级 年