小学一年级数学习题-口算 一年级数学
一年级数学 由小雪供稿口算就是用脑计算,用口头叙述来记忆当时的结果。这种方法用于速算,常练有助于智力的提高。下面是9252儿童网小编为您整理的一年级奥数题,来供大家学习和参阅!
题目
(1)( ) - 53 = 44
(2)95 -( ) = 16
(3)( )+ 61 = 77
(4)( ) + 34 = 98
(5)( )- 43 = 19
(6)35 +( ) = 88
(7)( ) + 17 = 81
(8) ( )- 64 = 22
(9)( ) - 20 = 8
(10)( ) + 44 = 98
(11)66 -( ) = 21
(12) ( )+ 11 = 72
(13)95 +( ) = 99
(14)44 + ( )= 69
(15)90 + ( )= 98
答案
(1)(97) - 53 = 44
(2)95 -(79) = 16
(3) (16)+ 61 = 77
(4)(64) + 34 = 98
(5) (62)- 43 = 19
(6)35 +(53) = 88
(7)(64) + 17 = 81
(8) (86)- 64 = 22
(9)(28) - 20 = 8
(10)(54) + 44 = 98
(11)66 -(45) = 21
(12)(61)+ 11 = 72
(13)95 +(4) = 99
(14)44 + (25)= 69
(15)90 + (8)= 98
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