一年级口算题:整十数减整十数减法

2022-12-16

(1)10 - 10 =

(2)40 - 10 =

(3)30 - 10 =

(4)30 - 20 =

(5)90 - 60 =

(6)40 - 30 =

(7)50 - 10 =

(8)10 - 10 =

(9)70 - 60 =

(10)60 - 60 =

(11)80 - 10 =

(12)20 - 20 =

(13)80 - 60 =

(14)60 - 50 =

(15)10 - 10 =