人教版二年级上册数学第2单元测试题
1第二单元试题一、填空:1、笔算两位数加、减两位数时,都要把()对齐,从()算起。2、从74里面连续减7,分别得()()()()()。3、小刚买一支17元的笔和38元的书包,他带了50元钱,请你帮他估算一下,够吗?()4、最小的两位数和最大的两位数的差是()。5、在做加法题时,个位满(),向前一位进()。6、在做减法题时,个位不够减时,要从()位借1当()来减。7、一个数加15得47,这个数是(),一个数减19得37,这个数是()。8、刚刚有45本书,丹丹给他14本以后,两人的书就一样多了,丹丹原来有()本。9、加法混合运算按()的顺序进行计算,遇到带括号的,要先算()里面的。二、选择题:1、...
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