冀教版数学二年级上册第二单元测试卷及答案
第二单元测试卷一、填一填。1.29连续加5,每次的和分别是34、( )、( )、( )。72连续减8,每次的差分别是64、( )、( )、( )。2.计算85-46+28时,应该先算( )法,再算( )法,最后得( )。二、选一选。(把正确答案的序号填在括号里)1.47加上15,再减去25,结果是多少?算式是( )。A.47+15+25 B.47+15-25 C.47-15-252.三个加数都是24,和是( )。A.62B.72C.823.小马虎在做计算题时,把加15错写成减15,结果比正确结果小( )。A.15B.30C.45三、连一连。四、用你喜欢的方法...
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