小学一年级数学口算题：10以内的连加连减混合

(1)1 + 8 + 1 =

(2)5 + 1 + 2 =

(3)4 - 1 - 1=

(4)2 + 5 + 1 =

(5)3 - 2 - 1=

(6)4 + 1 + 3 =

(7)4 - 1 - 2=

(8)9 - 4 - 1=

(9)5 - 2 - 1=

(10)3 + 5 + 1 =

(11)10 - 5 - 4=

(12)1 + 2 + 1 =

(13)5 + 4 + 1 =

(14)10 - 2 - 4=

(15)2 + 2 + 5 =

答案：

(1)1 + 8 + 1 =10

(2)5 + 1 + 2 =8

(3)4 - 1 - 1=2

(4)2 + 5 + 1 =8

(5)3 - 2 - 1=0

(6)4 + 1 + 3 =8

(7)4 - 1 - 2=1

(8)9 - 4 - 1=4

(9)5 - 2 - 1=2

(10)3 + 5 + 1 =9

(11)10 - 5 - 4=1

(12)1 + 2 + 1 =4

(13)5 + 4 + 1 =10

(14)10 - 2 - 4=4

(15)2 + 2 + 5 =9