一年级数学口算20以内的填括号
(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
20以内的填括号参考答案
(1)(12) - 10 = 2
(2)14 - (4)= 10
(3)17 +(1) = 18
(4)7 + (13)= 20
(5) (8)- 5 = 3
(6)18 -(11) = 7
(7)(14) - 10 = 4
(8)(13) - 4 = 9
(9)1 +(10) = 11
(10)15 -(14) = 1
(11)3 -(2) = 1
(12)(9) + 3 = 12
(13)(16) - 11 = 5
(14)(5) - 2 = 3
(15)18 -(15) = 3
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