学习 - 好资料1 0 0以 内 两 位 数 加 减 整 十 数 的 口 算 练 习 题1 1 + 7 0 =2 8 0 + 0 =3 1 4 + 4 0 =4 3 5 + 4 0 =5 3 9 + 6 0 =6 4 0 + 2 7 =7 6 9 + 1 0 =8 4 6 + 4 0 =9 9 + 5 0 =1 0 5 0 + 4 2 =1 1 3 0 + 3 4 =1 2 4 0 + 4 5 =1 3 4 2 + 3 0 =1 4 3 0 + 4 0 =1 5 6 0 + 3 6 =1 6 2 0 + 3 =1 7 1 8 + 2 0 =1 8 4 2 + 4 0 =1 9 4 1 + 4 0 =2 0 2 0 + 1 9 =2 1 2 8 + 4 0 =2 2 2 0 + 6 0 =2 3 5 0 + 5 0 =2 4 6 0 + 4 0 =2 5 2 6 + 2 0 =2 6 7 0 + 2 8 =2 7 8 0 + 1 1 =2 8 4 6 + 1 0 =2 9 2 + 2 0 =3 0 4 0 + 4 7 =3 1 2 7 + 7 0 =3 2 7 0 + 2 5 =3 3 1 7 + 7 0 =3 4 1 0 + 7 1 =3 5 6 0 + 3 1 =3 6 3 4 + 3 0 =3 7 3 6 + 3 0 =3 8 5 3 + 4 0 =3 9 4 + 1 0 =4 0 8 9 + 1 0 =4 1 4 3 + 5 0 =4 2 2 0 + 8 0 =4 3 3 + 7 0 =4 4 2 1 + 4 0 =4 5 7 0 + 2 2 =4 6 5 0 + 3 2 =4 7 7 + 5 0 =4 8 0 + 5 0 =4 9 2 6 + 4 0 =5 0 4 1 + 3 0 =1 9 0 - 6 0 =2 8 9 - 7 0 =3 8 8 - 1 0 =4 5 9 - 3 0 =5 5 8 - 2 0 =6 7 4 - 4 0 =7 9 9 - 5 0 =8 8 1 - 6 0 =9 9 9 - 4 0 =1 0 4 2 - 3 0 =1 1 6 8 - 5 0 =1 2 3 4 - 3 0 =1 3 7 4 - 6 0 =1 4 8 0 - 5 0 =1 5 6 2 - 5 0 =1 6 9 2 - 9 0 =1 7 1 7 - 0 =1 8 8 4 - 7 0 =1 9 7 2 - 7 0 =2 0 1 8 - 0 =2 1 7 6 - 4 0 =2 2 9 0 - 3 0 =2 3 9 9 - 3 0 =2 4 4 0 - 3 0 =2 59 6 - 1 0 =2 6 6 7 - 1 0 =2 7 7 2 - 1 0 =2 8 9 3 - 8 0 =2 9 9 1 - 1 0 =3 03 6 - 3 0 =3 1 6 6 - 1 0 =3 2 6 1 - 4 0 =3 3 6 4 - 2 0 =3 4 6 0 - 5 0 =3 55 2 - 5 0 =3 6 6 7 - 5 0 =3 7 6 3 - 2 0 =3 8 4 2 - 3 0 =3 9 9 3 - 6 0 =4 07 8 - 3 0 =4 1 4 3 - 3 0 =4 2 7 9 - 2 0 =4 3 9 2 - 6 0 =4 4 7 1 - 3 0 =4 56 4 - 3 0 =4 6 4 1 - 2 0 =4 7 9 6 - 4 0 =4 8 8 9 - 4 0 =4 9 8 1 - 4 0 =5 07 2 - 2 0 =1 1 3 + 9 =2 9 + 1 2 =3 0 + 4 1 =4 5 + 8 2 =5 7 + 5 1 =6 6 7 + 0 =7 7 + 2 2 =8 3 + 4 4 =9 0 + 6 2 =1 0 9 5 + 0 =1 1 2 1 + 2 =1 2 9 7 + 0 =1 3 2 + 3 7 =1 4 5 + 1 4 =1 5 2 6 + 1 =1 6 5 5 + 7 =1 7 7 0 + 8 =1 8 3 8 + 5 =1 9 3 + 3 5 =2 0 7 + 7 2 =2 1 3 + 9 =2 2 5 + 9 3 =2 3 5 + 3 =2 4 9 3 + 1 =2 5 5 + 7 9 =2 6 2 + 8 1 =2 7 7 5 + 4 =2 8 5 + 4 6 =2 9 7 + 5 4 =3 0 4 9 + 9 =3 1 7 9 + 2 =3 2 4 + 2 =3 3 2 + 8 8 =3 4 2 3 + 6 =3 5 1 + 1 5 =更多精品文档3 6 3 + 2 0 =3 7 8 + 2 6 =3 8 5 + 0 =3 9 6 + 5 6 =4 0 6 + 4 2 =4 1 0 + 9 6 =4 2 9 3 + 4 =4 3 5 6 + 2 =4 4 3 + 9 5 =4 5 9 8 + 2 =4 6 1 + 8 5 =4 7 1 + 6 0 =4 8 0 + 5 3 =4 9 5 + 5 =5 0 8 + 3 5 =1 3 5 - 1 =2 34 - 1 =3 6 3 - 3 =4 7 - 5 =5 7 4 - 9 =6 9 0 - 2 =7 5- 4 =8 2 6 - 1 =9 4 4 - 8 =1 0 7 7 - 8 =1 1 3 - 0 =1 2 7 9 - 8 =1 3 1 9 - 0 =1 4 9 6 - 3 =1 5 9 - 8 =1 6 3 7 - 5 =1 7 5 2 - 6 =1 8 2 0 - 3 =1 9 1 7 - 1 =2 0 5 3 - 5 =2 1 9 1 - 2 =2 2 7 5 -4 =2 3 8 4 - 3 =2 4 7 5 - 9 =2 5 6 1 - 3 =2 6 6 2 - 0 =2 7 5 7 -2 =2 8 2 8 - 3 =2 9 3 6 - 5 =3 0 8 1 - 7 =3 1 6 1 - 0 =3 2 8 6 -0 =3 3 7 0 - 1 =3 4 5 - 5 =3 5 9 7 - 0 =3 6 2 - 1 =3 7 8 - 6=3 8 8 7 - 8 =3 9 3 8 - 5 =4 0 2 4 - 4 =4 1 7 8 - 8 =4 2 7 4 -2 =4 3 3 7 - 0 =4 4 7 7 - 1 =4 5 8 0 - 0 =4 6 6 7 - 9 =4 7 4 2 -9 =4 8 3 5 - 8 =4 9 8 7 - 3 =5 0 1 7 - 6 =1 0 + 7 0 =2 4 0 + 4 0 =3 1 0 + 9 0 =4 6 0 + 4 0 =5 3 0 + 6 0 =6 8 0 + 2 0 =7 6 0 + 1 0 =8 4 0 + 3 0 =9 4 0 + 5 0 =1 0 5 0 + 4 0 =1 1 7 0 + 3 0 =1 2 4 0 + 4 0 =1 3 4 0 + 3 0 =1 4 3 0 + 4 0 =1 5 6 0 + 3 0 =1 6 1 0 + 2 0 =1 7 1 0 + 2 0 =1 8 4 0 + 4 0 =1 9 4 0 + 4 0 =2 0 2 0 + 1 0 =2 1 2 0 + 8 0 =2 2 5 0 + 4 0 =2 3 4 0 + 4 0 =2 4 5 0 + 3 0 =2 5 2 0 + 1 0 =2 6 7 0 + 2 0 =2 7 2 0 + 8 0 =2 8 9 0 + 0 =2 9 1 0 + 2 0 =3 0 4 0 + 4 0 =3 1 2 0 + 7 0 =3 2 7 0 + 2 0 =3 3 3 0 + 7 0 =3 4 1 0 + 7 0 =3 5 6 0 + 3 0 =3 6 3 0 + 7 0 =3 7 7 0 + 3 0 =3 8 5 0 + 4 0 =3 9 3 0 + 1 0 =4 0 8 0 + 1 0 =4 1 4 0 + 5 0 =4 2 1 0 + 8 0 =4 3 2 0 + 7 0 =4 4 2 0 + 8 0 =4 5 7 0 + 2 0 =4 6 5 0 + 3 0 =4 7 3 0 + 5 0 =4 8 4 0 + 5 0 =4 9 2 0 + 4 0 =5 0 4 0 + 3 01 3 0 - 1 0 =2 3 0 - 1 0 =3 6 0 - 2 0 =4 7 0 - 4 0 =5 9 0 - 7 0 =6 8 0 - 2 0 =7 5 0 - 3 0 =8 2 0 - 1 0 =9 8 0 - 4 0 =1 0 8 0 - 7 0 =1 1 8 0 - 2 0 =