亲爱小朋友们，今天为你准备了小学一年级数学口算题，相信大家一定能够努力做、开动脑筋，做出满意的答卷。加油啊!!!
(1)80 + 10 =
(2)30 + 20 =
(3)40 + 40 =
(4)50 + 30 =
(5)60 + 10 =
(6)80 + 10 =
(7)40 + 30 =
(8)20 + 60 =
(9)20 + 20 =
(10)40 + 40 =
(11)60 + 10 =
(12)20 + 10 =
(13)60 + 20 =
(14)30 + 40 =
(15)50 + 10 =