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How does math diary write 50 words in Grade Three?
The 50 words in grade three in math diary are as follows:

1. We (my mother and I) were busy all night last night and found a lot of books. They are: Reader, Yilin, Grimm's Fairy Tales, Story Meeting, Pleasant Goat, Special Concern and so on. We divide him into three categories. Also made a price tag of 50 cents 1 yuan 2 yuan, 3 yuan, 5 yuan 10 yuan.

We found an empty place, and then I sat on the newspaper. Start buying. Nobody bought it at first, and then it was going to rain. An aunt bought two books, one is 3 yuan and the other is 2 yuan. A: One * * * five yuan (conditions and relations). Finally, it is ok to take 5 yuan!

2. I learned some math knowledge of grade four in advance these days. I understand that three digits are divided by two digits. For example: 2 16 divided by 22. Look at the top two first. If the quotient is less than 1, look at the top three. Multiply 22 by 9 to get the number. If the product exceeds the dividend, multiply it by 8.

Now let's calculate: 22 times 9, its product is 198, and the remainder is 18. 18 is less than 22, so you can get 9. It seems that mathematical methods are everywhere, and mathematics is amazing! My father took my brother out the day before yesterday. In the afternoon, my mother and I went to eat pizza. I ordered a small pizza, 29 yuan, and my mother ordered a paella, also from 29 yuan.

After we finished eating, my mother gave me 100 yuan to pay the bill, and the waiter took back my 42 yuan. I calculated that we spent * * * 58 yuan on this meal, which I think is a bit expensive. I'll eat more at home and eat less out!

Today, my mother took me to Renrenle Supermarket to do some shopping. My mother took me to the place where I bought stationery and said, "Do you want to buy a ruler?" I said buy one, and my mother chose a one-dollar ruler for me. Then my mother bought eight yuan of pears, five yuan of apples, ten yuan of bananas and a thirty-one yuan handicraft.

Finally, when we went to pay, a waiter came over and asked me, "Do you know how much these things cost, little friend?" ? "I thought about it and said," This 55 yuan. "The waiter said I was really good at math! My mother and I are very happy.