新北师大版小学四年级下册数学第五单元精品试题带参考答案
第五单元测试卷(2)时间:90分钟 满分:100分 分数: 一、我会填。(26分)1.一天早晨的温度是x摄氏度,中午比早晨高8摄氏度,中午的温度是( )摄氏度。2.一本练习本的价钱是a元,买b本应付( )元。3.食堂原计划每月烧煤a吨,实际节约b吨,实际每月烧煤( )吨。4.爸爸比小东大28岁,当小东a岁时,爸爸是( )岁。5.牧场里有黄牛x头,奶牛的头数比黄牛的3倍少5头,奶牛有( )头,两种牛共有( )头。6.小红买了2支钢笔,每支x元,付出20元,应找回( )元。7.一个正方形的边长是b,周长是( ),面积是( )。8.一个商店运来自行车300辆,总价是a元,单...
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