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> 在“情系玉树”捐款活动中,某同学对八年级的(1)、(2)两班的捐款情况进行统计得到如下三条信息:信息一:(1)班共捐款300元,(2)班共捐款232元;信息二:(2)班平均每人捐款钱数是(-八年级数学
在“情系玉树”捐款活动中,某同学对八年级的(1)、(2)两班的捐款情况进行统计得到如下三条信息:信息一:(1)班共捐款300元,(2)班共捐款232元;信息二:(2)班平均每人捐款钱数是(-八年级数学
题目简介
在“情系玉树”捐款活动中,某同学对八年级的(1)、(2)两班的捐款情况进行统计得到如下三条信息:信息一:(1)班共捐款300元,(2)班共捐款232元;信息二:(2)班平均每人捐款钱数是(-八年级数学
题目详情
在“情系玉树”捐款活动中,某同学对八年级的(1)、(2)两班的捐款情况进行统计得到如下三条信息:
信息一:(1)班共捐款300元,(2)班共捐款232元;
信息二:(2)班平均每人捐款钱数是(1)班平均每人捐款钱数的;
信息三:(1)班比(2)多2人;
请你根据以上三条信息,求出(1)班平均每人捐款多少元?
题型:解答题
难度:中档
来源:福建省期中题
答案
解:设(1)班平均每人捐款x元,则(2)班平均每人捐款
元
解得:x=5
经检验x=5是原方程的解
答:(1)班平均每人捐款5元。
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题目简介
在“情系玉树”捐款活动中,某同学对八年级的(1)、(2)两班的捐款情况进行统计得到如下三条信息:信息一:(1)班共捐款300元,(2)班共捐款232元;信息二:(2)班平均每人捐款钱数是(-八年级数学
题目详情
信息一:(1)班共捐款300元,(2)班共捐款232元;
信息二:(2)班平均每人捐款钱数是(1)班平均每人捐款钱数的;
信息三:(1)班比(2)多2人;
请你根据以上三条信息,求出(1)班平均每人捐款多少元?
答案
解得:x=5
经检验x=5是原方程的解
答:(1)班平均每人捐款5元。