资讯

In this way, it is clear that learning disabilities of all types can be rendered more or less disabling depending on their context. In a nontechnological society, a child's math problem will not ...
Math disabilities can arise at nearly any stage ... many experts attribute them to deficits in one or more of five different skill types. These deficits can exist independently of one another ...
Math is full of enormously complicated abstract ... It can be thought of as a collection of symmetries—transformations that leave a shape, a function or some other mathematical object unchanged ...