一年级口算题:20以内加减法

2022-12-16

(1)( ) - 10 = 2

(2)14 - ( )= 10

(3)17 +( ) = 18

(4)7 + ( )= 20

(5) ( )- 5 = 3

(6)18 -( ) = 7

(7)( ) - 10 = 4

(8)( ) - 4 = 9

(9)1 +( ) = 11

(10)15 -( ) = 1

(11)3 -( ) = 1

(12)( ) + 3 = 12

(13)( ) - 11 = 5

(14)( ) - 2 = 3

(15)18 -( ) = 3