小学四年级数学题:
翔翔把自已存钱的一半买了一本故事书,后来妈妈又给他2元5角,他又用其中比一半多2角的钱买了连环画,结果还剩3元6角,翔翔原来存了多少钱?...
翔翔把自已存钱的一半买了一本故事书,后来妈妈又给他2元5角,他又用其中比一半多2角的钱买了连环画,结果还剩3元6角,翔翔原来存了多少钱?
展开
9个回答
展开全部
2.5++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3.6
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++0.2一共是6.3
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++0.2一共是6.3
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
展开全部
还剩3.6元 是后来一半少2角 所以后来的一半是3.8 也就是妈妈给他2.5元后 共有7.6元
所以原有 (7.6-2.5)*2=10.2元
所以原有 (7.6-2.5)*2=10.2元
已赞过
已踩过<
评论
收起
你对这个回答的评价是?
推荐律师服务:
若未解决您的问题,请您详细描述您的问题,通过百度律临进行免费专业咨询