问题
解答题
竖式计算，第（1）、（2）题写出验算的竖式
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答案
（1）375+164=539
（2）816-425=391
（3）528+272=800
（4）603-437=166
（5）28÷4=7
（6）52÷7=7…3
（7）43÷5=8…3
（8）40÷9=4…4
（9）87÷9=9…6
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竖式计算，第（1）、（2）题写出验算的竖式
|
（1）375+164=539
（2）816-425=391
（3）528+272=800
（4）603-437=166
（5）28÷4=7
（6）52÷7=7…3
（7）43÷5=8…3
（8）40÷9=4…4
（9）87÷9=9…6
Do you know? There is one language ____ in every country in the world. People, young or old, short or tall, thin or fat, use it very often. It is everybody’s second ____ . It is very easy to ___, though you can’t hear it. It is a sign language. When you wave(挥手) to a friend on the street, you are ____sign language. When you ___ up your hand in class, you are saying, “Please ask me, I think I know the answer,” or “I have some questions to ____.” When you smile at someone, you mean to be ____to him. When you put your forefinger(食指) in front of your mouth, you mean, “___ quiet, please.” When a policeman wants to ___cars or buses, he raises his right arm. Sign language is very useful in quiet places or places ___ of noise. It is different from body language.
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