算式的英文

例句与用法

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1. Representation formats for addition and multiplication facts
   加法和乘法算式的表征方式
2. Which calculation will give him this number
   哪一个算式将给他这个数字？
3. Look at this picture . who can write addition sentences how to make 10
   看着这幅图，谁能写出等于10的加法算式呢？
4. Look at the three problems . what law can you find ? discuss in pairs
   观察这三组算式，你发现了什么规律？同桌讨论。
5. 137 and 357 are the addends . the answer 494 is the sum
   生： 137和357在加法算式中叫做加数。他们相加的得数494叫做和。