小学一年级口算题：10以内的连加
(1)1 + 6 + 1 =
(2)4 + 3 + 1 =
(3)4 + 2 + 2 =
(4)3 + 2 + 4 =
(5)1 + 2 + 3 =
(6)4 + 5 + 1 =
(7)3 + 3 + 3 =
(8)2 + 2 + 5 =
(9)3 + 2 + 2 =
(10)2 + 2 + 2 =
(11)4 + 2 + 3 =
(12)1 + 1 + 3 =
(13)3 + 5 + 1 =
(14)5 + 2 + 2 =
(15)4 + 3 + 2 =