是淀粉比水是40%還是水比淀粉是40%? 返回小木蟲查看更多
應該是:[水的質(zhì)量/(水的質(zhì)量+淀粉的質(zhì)量)]×100%=40% https://www.doc88.com/p-5894428891880.html,
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應該是:[水的質(zhì)量/(水的質(zhì)量+淀粉的質(zhì)量)]×100%=40%
https://www.doc88.com/p-5894428891880.html,