chứng minh 3 + 8 + 9 = 10
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Đấy đâu phải toán lp 1 đâu! Lm j có chuyện mak toán lp 1 khó thế! Em chưa đc hok cái này nên chắc ko phải toán lp 1 có đúng ko ạ?
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![](https://rs.olm.vn/images/avt/0.png?1311)
\(\frac{31}{20}+\frac{1}{4}\)
\(=\frac{31}{20}+\frac{5}{20}\)
\(=\frac{31+5}{20}\)
\(=\frac{36}{20}\)
\(=\frac{9}{5}\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Vũ Thị Hồng Khánh bạn có vẻ thích cà khịa nhỉ
![](https://rs.olm.vn/images/avt/0.png?1311)
=200000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000`
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3 + 8 + 9 = Three + Eight + Nine = T + E + N = Ten = mười = 10
Thưa cô là đáp án sai