20以內(nèi)的連加
(1)7 + 9 + 3 =
(2)8 + 8 + 1 =
(3)7 + 8 + 2 =
(4)5 + 14 + 1 =
(5)1 + 6 + 1 =
(6)6 + 6 + 3 =
(7)8 + 6 + 3 =
(8)4 + 14 + 1 =
(9)2 + 9 + 6 =
(1)7 + 9 + 3 =
(2)8 + 8 + 1 =
(3)7 + 8 + 2 =
(4)5 + 14 + 1 =
(5)1 + 6 + 1 =
(6)6 + 6 + 3 =
(7)8 + 6 + 3 =
(8)4 + 14 + 1 =
(9)2 + 9 + 6 =