是淀粉比水是40%还是水比淀粉是40%? 返回小木虫查看更多
应该是:[水的质量/(水的质量+淀粉的质量)]×100%=40% https://www.doc88.com/p-5894428891880.html,
应该是:[水的质量/(水的质量+淀粉的质量)]×100%=40%
https://www.doc88.com/p-5894428891880.html,