小学一年级数学口算题：20以内连加连减混合

(1)1 + 14 + 1 =

(2)9 - 6 - 1=

(3)1 + 15 + 3 =

(4)4 + 4 + 6 =

(5)10 + 1 + 6 =

(6)17 - 13 - 3=

(7)6 - 4 - 1=

(8)1 + 4 + 4 =

(9)10 + 4 + 5 =

(10)1 + 2 + 5 =

(11)9 + 1 + 6 =

(12)4 + 1 + 10 =

(13)2 + 7 + 10 =

(14)9 - 7 - 1=

(15)5 + 4 + 3 =

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答案：

(1)1 + 14 + 1 =16

(2)9 - 6 - 1=2

(3)1 + 15 + 3 =19

(4)4 + 4 + 6 =14

(5)10 + 1 + 6 =17

(6)17 - 13 - 3=1

(7)6 - 4 - 1=1

(8)1 + 4 + 4 =9

(9)10 + 4 + 5 =19

(10)1 + 2 + 5 =8

(11)9 + 1 + 6 =16

(12)4 + 1 + 10 =15

(13)2 + 7 + 10 =19

(14)9 - 7 - 1=1

(15)5 + 4 + 3 =12