11 - 8 = 14 + 3 = 5 + 9 = 5 + 6 = 13 - 7 = 11 - 9 = 8 + 8 = 14 - 9 = 2.解决问题
6 + 9 = 5 + 7 = 2 + 16 = 17 - 9 = 6 + 8 = 16 - 8 = 12 - 8 = 2 + 9 =
9 +( )= 18 7 + 3 - 4 = 15 - 7 - 7 = 6 + 6 - 6 = 18 - 9 - 8 = 14 - 7 - 6 = 5 + 4 + 9 = 9 +( )= 15
( )- 8 = 7 18 - 9 + 8 = 8 + 4 - 5 = 16 - 7 - 3 = 9 + 5 - 9 = 11 - 6 - 4 = 18 - 9 - 5 = ( )+ 7 = 13
猫妈妈给小白5条鱼,给小花4条鱼,小白和小花共吃了6条,它们还有几条?
一天一练13
1. 计算题
5 + 7 = 2 + 9 = 14 - 5 = 8 + 7 = 15 - 6 = 5 + 6 = 9 + 8 = 12 - 9 = 4 + 9 = 11 - 4 = 8 + 6 = 12 - 7 = 9 + 4 = 2.解决问题
3 + 8 = 18 - 9 = 5 + 9 = 13 - 4 = 9 + 3 = 17 - 4 = 6 + 7 = 16 - 8 = 5 + 8 = 9 + 2 = 8 + 8 = 14 - 7 = 7 + 8 =
( )+ 8 = 16 ( )- 5 = 6 4 +( )= 12 ( )- 8 = 6 17 -( )= 14 12 -( )= 9 5 + 8 - 2 = 12 - 3 - 8 = 8 + 3 + 8 = 16 - 5 - 8 = 5 + 3 + 9 = 13 - 4 - 9 = ( )+ 7= 16
17 -( )= 9 ( )+ 7 = 11 13 -( )= 8 11 -( )= 5 5 +( )= 14 ( )- 9 = 2 14 - 5 - 2 = 8 + 7 - 3 = 16 - 2 - 9 = 15 - 6 + 7 = 12 - 4 + 9 = 8 + 4 - 9 = 18 -( )= 9
同学们到体育馆借球,一班借了9只,二班借了6只。体育馆的球共减少了几只?
1. 计算题 7 + 9 = 16 - 3 = 17 - 8 = 4 + 8 = 18 - 2 = 9 + 7 = 14 - 6 = 9 + 9 = 11 - 9 = 7 + 7 = 16 - 7 =
一天一练14
11 - 6 = ( )- 5 = 5 6 + 8 = 7 +( )= 15 13 - 8 = ( )- 6 = 6 8 + 9 = 15 -( )= 6 14 - 8 = ( )- 9 = 4 6 + 6 = 6 +( )= 13 3 + 9 = 12 - 9 - 2 = 15 - 7 = 16 - 8 - 3 = 13 - 6 = 6 + 5 - 4 = 9 + 6 = 13 - 6 - 7 = 12 - 4 =
3 + 8 - 7 =
( )+ 8 = 14 16 -( )= 7 ( )- 8 = 4 3 +( )= 11 ( )+ 9 = 18 ( )- 7 = 8 7 + 6 - 8 = 11 - 4 - 4 = 17 - 9 - 5 = 7 + 7 - 5 = 15 - 9 - 6 =
9 + 5 = 11 - 3 = 2.解决问题
4 + 7 = 6 + 9 =
16 - 7 + 9 = ( )- 6 = 5
9 + 4 - 6 = ( )+ 9 = 14
明明从布袋里拿出5个白皮球和5个花皮球后,白皮球剩下10个,花皮球剩下5个。布袋里原来有多少个白皮球,多少个花皮球?
一天一练15
1. 计算题 12 - 3 = 4 + 14 = 8 + 8 = 18 - 4 = 3 + 8 = 14 - 7 =
8 + 9 = 15 - 6 = 18 - 3 = 4 + 9 = 11 - 5 = 6 + 12 =
9 +( )= 14 ( )- 4 = 10 13 -( )= 7 ( )- 9 = 7 7 +( )= 16 ( )+ 3 = 11
18 -( )= 13 15 -( )= 7 ( )+ 9 = 15 ( )- 6 = 8 8 +( )= 14 14 -( )= 5
5 + 8 = 16 - 8 = 13 - 5 = 4 + 7 = 7 + 9 = 11 - 3 = 12 - 6 = 2.解决问题
14 + 5 = 5 + 7 = 3 + 9 = 19 - 6 = 13 - 6 = 14 - 5 = 6 + 7 =
9 + 6 - 2 = 13 - 5 - 6 = 18 - 9 - 7 = 7 + 3 + 9 = 17 - 7 - 8 = 6 + 5 - 7 = 8 +( )= 14
15 - 7 - 5 = 11 - 3 - 8 = 3 + 8 - 4 = 14 - 3 - 9 = 12 - 5 - 4 = 16 - 7 - 9 = 20 -( )= 13
妈妈买回一些鸭蛋和12个鸡蛋,吃了8个鸡蛋后,剩下的鸡蛋和鸭蛋同样多,问妈妈一共买回几个蛋?
一天一练16
1. 计算题 18 - 9 =
12 - 4 =
( )- 4 = 7
8 +( )= 12