小学六年级数学解决问题 急啊!!!!!!!求速度解答

2025-04-08 08:53:39
推荐回答(3个)
回答1:

1.阳光小学共有200名学生去西安参观了世园会,其中六年级的学生占3/20,五年级学生占7/40,阳光小学五、六年级共有多少名学生参加了西安世园会?六年级200*3/20=30人五年级200*7/40=35人2.在广州亚运会上,中国获得了119枚银牌,比金牌数少80/199,中国获得了多少枚金牌?119/(1-80/199=)=199枚金牌3.一套《上下五千年》共10本,每本定价15元。各店有各店的促销方法: 行知书店:九折优惠 希望书店:买4本送1本 新兴书店:满100元返10元到哪家书店购买一套《上下五千年》最合适? 行知:15*10*0.9=135元希望:8*15=120元新兴:15*10-10=150-10=140希望最合适 还有几道判断题和选择题1.已知篮球个数比足球个数多1/5,下面关系正确的是(B )A.足球个数x(1-1/5)=篮球个数B.足球个数x(1+1/5)=篮球个数C.篮球个数x(1+1/5)=足球个数D.篮球个数x(1-1/5)=足球个数判断1.六一班的2/3是男生,其中有一个组的5/6是女生,这个班女生人数比男生人数多。X2.13/4-13/4x3/4=0x3/4=0 X3.六一班的学生计划假期去北京旅游的有6人,是全班的1/10,计划去上海旅游的有12人,是全班人数的1/2 X 注:判断题要写改正 就是正确的是什么要写出来 求速度解答 我急着写!

回答2:

第一题:五年级3/20*200=30,六…7/40*200=35

回答3:

第一个是65人

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