一年级数学下册期中考试题专项训练
一年级数学下册期中考试题(1)一、口算12-7=14-5=4+9=9+8=15-5=18-9=59-9=50+8=10+40=45-5=30+5=75-30=57-40=10+9=20+5=73-40=19-9+3=39-9+8=15-8+2=11-9+4=二、填空题1、74前面的一个数是( ),后面的一个数是( )。2、十位是5,个位是0,这个数是()。()个十是100。3、34的十位上是( ),表示( )个十;它的个位上是( ),表示( )个一。4、从右边起,第一位是( )位,第( )位是十位,第三位是( )位。5、80里面有()个十;由4个十和8个一组成的数是( )。6、把这些数从大到小...
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