一年级口算题:20以内的减法

2022-12-16

1)3 - 2 =

(2)10 - 10 =

(3)18 - 8 =

(4)13 - 3 =

(5)12 - 11 =

(6)12 - 12 =

(7)6 - 3 =

(8)6 - 4 =

(9)11 - 2 =

(10)8 - 3 =

(11)13 - 3 =

(12)1 - 1 =

(13)15 - 3 =

(14)10 - 9 =

(15)3 - 3 =