1十几减 5、4、3、2 练习题1、想一想,填一填。(1) 13 - 4 = 11 - 5 = 12 - 3 = (2)4 + = 13 5 + = 11 3 + = 1213 - 4 = 11 - 5 = 12 - 3 = 2、我会写算式。= (支) = (个)3、算一算,填一填。12 - 3 = 13 - 7 + 5 = 3 + 9 + 2 = 15 - 8 + 3 =12 - 5 = 8 + 3 - 5 = 12 - 3 - 4 = 17 - 5 + 4 =12 - 4 = 14 - 7 + 8 = 6 + 7 - 4 = 16 - 3 - 8 =13 - 7 = 13 - 6 = 13 - 5 = 13 - 5 + 6 =4、一共有 11个球,小兔踢走了 4个,还剩多少个?= (个)5、商店里买一个文具盒要 7元,买一支笔要 2元,小明有 10元钱,他买了一个文具盒,售货员阿姨要找回小明多少元钱?= ( )