1、7 + 49 =65 - 7 =9 + 41 =51 - 8 =5 + 17 =100 - 5 =63 - 8 =9 + 45 =47 - 8 =31 - 9 =6 + 26 =82 - 8 =19 + 9 =46 + 5 =85 - 9 =66 + 9 =72 - 3 =67 - 9 =97 + 3 =74 - 6 =6 + 58 =87 + 7 =58 + 2 =8 + 28 =50 - 2 =66 + 8 =88 - 9 =60 - 9 =3 + 89 =21 - 3 =39 + 7 =2 + 79 =67 + 7 =7 + 18 =64 - 6 =46 + 6 =42 - 9 =23
2、+ 8 =33 + 7 =7 + 56 =74 - 8 =72 - 5 =9 + 29 =31 - 4 =9 + 21 =4 + 58 =92 - 8 =84 - 5 =84 + 7 =41 - 7 =60 - 5 =34 + 9 =56 - 8 =53 - 9 =5 + 47 =63 - 5 =8 + 92 =88 + 5 =52 - 4 =55 + 5 =76 - 9 =43 - 4 =8 + 79 =80 - 8 =65 + 6 =76 - 7 =两位数加一位数的进位加法和两位数减一位数的退位减法混合口算练习（二）33 - 7 =6 + 49 =37 - 8 =76 + 4 =75 +
3、9 =91 - 6 =90 - 3 =52 - 6 =40 - 2 =6 + 76 =63 - 9 =5 + 46 =57 + 5 =61 - 3 =2 + 69 =27 + 7 =85 - 8 =37 + 8 =80 - 4 =75 - 9 =38 + 5 =73 - 4 =66 + 8 =33 + 8 =96 - 7 =65 - 7 =74 + 7 =52 - 3 =34 - 5 =29 + 3 =52 - 9 =77 + 6 =31 - 9 =95 + 5 =92 - 5 =61 + 9 =40 - 6 =4 + 77 =7 + 79 =5 + 49 =76 - 8 =43 - 5 =6
4、5 - 6 =8 + 48 =4 + 79 =56 + 9 =81 - 4 =52 - 6 =88 + 4 =63 + 7 =93 - 7 =89 + 8 =8 + 82 =82 - 7 =9 + 59 =68 + 3 =50 - 8 =8 + 68 =59 + 9 =80 - 5 =42 + 9 =61 - 7 =8 + 22 =60 - 3 =5 + 55 =92 - 6 =3 + 69 =64 - 6 =83 + 7 =7 + 48 =71 - 8 =64 - 8 =83 - 8 =54 - 9 =89 + 6 =7 + 24 =41 - 4 =49 + 8 =7 + 89 =41 -
5、6 =59 + 4 =52 - 4 =8 + 54 =26 - 9 =4 + 96 =68 - 9 =66 - 7 =6 + 17 =71 - 5 =4 + 76 =31 - 2 =77 - 9 =5 + 27 =44 - 7 =两位数加一位数的进位加法和两位数减一位数的退位减法混合口算练习（三）56 + 8 =5 + 18 =37 + 7 =70 - 4 =83 - 6 =71 + 9 =53 - 5 =55 + 9 =6 + 75 =32 - 8 =6 + 66 =40 - 6 =8 + 12 =72 - 8 =100 - 2 =40 - 8 =90 - 1 =5 + 28 =9 + 72
6、 =67 + 8 =43 - 5 =6 + 45 =30 - 7 =8 + 43 =81 - 2 =88 + 6 =69 + 3 =53 - 5 =4 + 66 =6 + 86 =81 + 9 =6 + 19 =58 + 8 =7 + 64 =9 + 53 =7 + 27 =42 - 5 =9 + 39 =30 - 5 =4 + 18 =85 + 7 =70 - 4 =69 + 8 =66 - 8 =73 - 8 =57 + 6 =51 - 3 =9 + 34 =76 - 7 =75 + 5 =22 - 7 =5 + 79 =27 - 8 =37 + 9 =8 + 42 =51 - 5 =57
7、 + 8 =3 + 97 =9 + 52 =70 - 2 =51 - 6 =58 + 3 =83 - 7 =8 + 16 =56 - 9 =9 + 31 =83 + 9 =3 + 77 =71 - 7 =5 + 15 =6 + 39 =69 + 9 =73 - 6 =7 + 64 =72 - 9 =44 - 7 =86 + 6 =35 - 9 =58 + 4 =87 - 8 =9 + 64 =54 - 8 =8 + 59 =74 + 6 =48 - 9 =8 + 78 =55 - 7 =两位数加一位数的进位加法和两位数减一位数的退位减法混合口算练习（四）7 + 26 =64 - 5 =67 +
8、 5 =22 - 8 =61 - 8 =49 + 7 =83 - 9 =5 + 48 =27 - 9 =82 - 3 =6 + 35 =40 - 9 =7 + 67 =76 - 9 =51 - 2 =8 + 62 =36 + 6 =81 - 5 =6 + 79 =100 - 4 =9 + 53 =7 + 57 =72 - 4 =9 + 42 =60 - 3 =42 - 4 =3 + 48 =22 - 8 =81 - 6 =77 + 3 =7 + 29 =5 + 95 =70 - 5 =67 - 8 =6 + 76 =64 + 7 =58 + 4 =33 - 4 =54 - 7 =93 - 6
9、=4 + 49 =87 + 8 =64 + 6 =79 + 9 =53 - 7 =45 - 6 =8 + 26 =32 - 7 =5 + 69 =60 - 8 =5 + 58 =87 - 8 =6 + 15 =92 - 6 =65 + 5 =34 - 6 =88 + 8 =19 + 7 = 91 - 8 = 21 - 2 = 16 - 9 =44 - 6 = 45 - 9 = 27 + 8 = 83 - 6 = 36 + 8 =5 + 27 = 75 - 6 = 31 - 7 = 42 + 9 =53 - 9 = 37 - 9 = 29 + 9 = 4 + 86 = 43 - 7 =7 + 84 =32 - 6 =38 + 3 =42 - 8 =53 - 8 =9 + 44 =8 + 32 =47 + 7 =86 + 7 =62 - 9 =55 + 5 =81 - 5 =3 + 97 =86 - 8 =9 + 53 =68 + 8 =64 - 8 =5 + 59 =78 + 9 =74 - 7 =65 + 6 = 88 - 9 = 54 - 5 =9 + 86 =
