BRAIN TEASERS

enter your answer and press button OK

Calculate the number 1290

NUMBERMANIA: Calculate the number 1290 using numbers [6, 4, 5, 2, 79, 991] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.

Correct answers: 33

The first user who solved this task is Sanja Šabović.

#brainteasers #math #numbermania

Register with your Google Account and start collecting points.

Check your ranking on list.

Brian Regan: Unilingual

Can you imagine being bilingual? Or even knowing anybody that was? Im not even unilingual. Actually, I shouldnt say that. I dont give myself enough credit. I know enough English to, you know, get by. I can order in restaurants and stuff.

Jokes of the day - Daily updated jokes. New jokes every day.

Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

Friedrich Konrad Beilstein

Died 18 Oct 1906 at age 68 (born 17 Feb 1838).Russian chemist whose research in organic chemistry included studying isomeric benezene derivatives. His lasting legacy, though, was starting the systematical description of organic compoounds, which he compliled in the publication of his Handbuch der organischen Chemie, (1880-82; Handbook of Organic Chemistry). He aimed that it should be a complete catalog, and already in its first edition, the two volumes described 15,000 compounds. As organic chemistry continued to grow rapidly, he published expanded second and third editions. After Beilstein's death, because of its great value to organic chemists, work on updating the publication was taken on by the Deutsche Chemische Gesellschanft, which.has continued to publish it.«

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.