冀教版数学四年级上册第三单元测试卷2及答案
第三单元测试卷一、我来填一填。(每题1分,共15分)1、在没有括号的算式里,如果只有加、减法或者只有乘、除法,都要从( )往( )依次计算。算式里有括号,要先算( )的,再算( )。2、在计算450÷(42÷14)时,应先算( ),接着算( ),结果是()。3、食堂有57袋大米,已经吃了l2袋,剩下的如果每天吃9袋,还可以吃( )天。4、水果店运来苹果和梨各6箱,苹果每箱25千克,梨每箱20千克,一共运来水果( )千克。5、红红有9张卡片,丫丫有5张卡片,红红给丫丫()张卡片,二人同样多。6、2条围巾的价钱和2副手套的价钱是54元,2条围巾和3副手套的价钱是63元...
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