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    解法一:设乙班有人捐款.则甲班有人捐款．············································ 1分 根据题意得: ········································································································· 5分 解这个方程得．································································································· 8分 经检验是所列方程的根．··················································································· 9分 (人) 答:甲班有48人捐款.乙班有45人捐款．································································· 10分 解法二:设甲班有人捐款.则乙班有人捐款．················································· 1分 根据题意得: ········································································································· 5分 解这个方程得．································································································· 8分 经检验是所列方程的根．··················································································· 9分 (人) 答:甲班有48人捐款.乙班有45人捐款．································································· 10分 【查看更多】

     

    题目列表(包括答案和解析)

    在一次“手拉手”捐款活动中，某同学对甲．乙两班捐款的情况进行统计，得到如下三条信息：
    信息一．甲班共捐款120元，乙班共捐款88元；
    信息二．乙班平均每人捐款数比甲班平均每人捐款数的0.8倍；
    信息三．甲班比乙班多5人．
    请你根据以上三条信息，求出甲班平均每人捐款多少元？

    查看答案和解析>>

    在“情系海啸”捐款活动中，某同学对甲、乙两班捐款情况进行统计，得到如下三条信息：
    信息一：甲班共捐款300元，乙班共捐款232元；
    信息二：乙班平均每人捐款钱数是甲班平均每人捐款钱数的
    45
    倍；
    信息三：甲班比乙班多2人．
    请你根据以上三条信息，求出甲班平均每人捐款多少元？

    查看答案和解析>>

    在一次植树活动中，甲班植树的株数比乙班多20%，乙班植树的株数比甲班的一半多10株，设乙班植树x株．
    （1）列两个不同的含x的代数式，分别表示甲班植树的株数；
    （2）根据题意列出含未知数x的方程；
    （3）检验乙班、甲班植树的株数是不是分别为25株和35株．

    查看答案和解析>>

    在一次“手拉手”捐款活动中，某同学对甲、乙两班捐款的情况进行统计，得到如下三条信息．请你根据以上三条信息，求出甲班平均每人捐款多少元？
    信息一：甲班共捐款300元，乙班共捐款185.5元；
    信息二：乙班平均每人捐款数是甲班平均每人捐款数的 0.7倍；
    信息三：甲班比乙班多7人．

    查看答案和解析>>

    “雪灾无情，人间有情．”在“情系雪灾”爱心捐款活动中，某同学对甲、乙两班捐款情况进行统计，得到如下三条信息：
    信息一：甲班共捐款1500元，乙班共捐款1152元．
    信息二：乙班平均每人捐款数是甲班平均每人捐款数的
    45
    ．
    信息三：甲班比乙班多2人．
    请你根据以上三条信息，求出甲班平均每人捐款多少元？

    查看答案和解析>>


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