一年级口算题:整十数加整十数加法

2022-12-16

(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 =