You don’t need a calculator – all of these examples can be solved in your head.
Test yourself – solve the Soviet textbook problem!
QUESTION 1 OF 3
5
7
9
Source: The Voice Mag
Ben Stock is a lifestyle journalist and author at Gossipify. He writes about topics such as health, wellness, travel, food and home decor. He provides practical advice and inspiration to improve well-being, keeps readers up to date with latest lifestyle news and trends, known for his engaging writing style, in-depth analysis and unique perspectives.
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