摘要： 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
网址：http://m.1010jiajiao.com/timu3_id_467897[举报]
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？ 查看习题详情和答案>>
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？ 查看习题详情和答案>>
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
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？ 查看习题详情和答案>>
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
| 4 | 5 |
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？ 查看习题详情和答案>>
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．
查看习题详情和答案>>
（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．