用0，2，3，4，5组成三位数乘两位数的乘法算式，你能写出几个？你能写出乘积最大的算式吗？（人教版数学教科书四年级上册第50页）

数学题解答：

520×43=22360

430×52=22360

540×32=17280

530×42=22260

510×43=21930

……可以写出很多

乘积最大的是算式是520×43和430×52

方法：在总和一定的情况下，两个数越接近，积越大。

推荐阅读：
Bruteforce Algorithm to Find the Next Closet Time Reusing the Cu　 The Overlapping Rectangles using CSS and Javascript　 How to Count the Distinct Pairs using HashMap?　 Blogger Jailed For Pokemon Go Gets Even More Trouble　 Dead Simple Ways to Keep Your Best Blogging Ideas From Slipping 　 The Fear of Blogging is Real – Here’s How to Overcome It　 Influential Cybersecurity Blogger Gets Digitally Attacked　 Building Relationships with Your Influencers　 Authorities In Vietnam Arrest Top Blogger For One Criticizing Co　 The Top Health Bloggers You Should Be Following