n.交叉相乘

Building on Students'Intuitive Strategies to Make Sense of Cross Multiplication. 培養(yǎng)學(xué)生運(yùn)用直覺策略理解數(shù)學(xué)叉乘法的含義。

Factorization no universal way to junior high school mathematics textbooks are introduced using the formula, division of decomposition and cross multiplication. 因式分解沒有普遍的方法 ，初中數(shù)學(xué)教材中主要介紹了提公因式法、運(yùn)用公式法、分組分解法和十字相乘法。

Searches involving category information can be combined to cross multiple dimensions . 包括類別信息的搜索能夠與類別的多維選擇 一起使用。

Searches involving category information can be combined to cross multiple dimensions. 包括類別信息的搜索能夠與類別的多維選擇 一起使用。

Unlike business users, consumers don’t have concrete job descriptions, and their use of products may cross multiple contexts. Therefore, it often isn’t meaningful to use roles as an organizing principle for the persona hypothesis for a consumer product. 不像業(yè)務(wù)用戶，消費(fèi)者沒有具體的職位描述，并且他們使用產(chǎn)品時(shí)通常跨越多個(gè)場景，因此將角色作為消費(fèi)品人物角色假設(shè)的組織原則通常毫無意義。