Math Quiz: 10 simple addition, subtraction, multiplication and division problems that are difficult for many people
VTC News•29/05/2023Many people think that for addition, subtraction, multiplication, and division, it is easy to find the answer in a flash. ]]>
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![[Photo] General Secretary To Lam attends the 80th Anniversary of the Cultural Sector's Traditional Day](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/8/23/7a88e6b58502490aa153adf8f0eec2b2)
![[Photo] Prime Minister Pham Minh Chinh chairs the meeting of the Government Party Committee Standing Committee](https://vphoto.vietnam.vn/thumb/1200x675/vietnam/resource/IMAGE/2025/8/23/8e94aa3d26424d1ab1528c3e4bbacc45)
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