Question

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？

Answer 1

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

Answer 2

8.6元

Answer 3

14元4毛

Answer 4

2.5++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3.6
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++0.2一共是6.3

Answer 5

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

Answer 6

2.8元