Calculate A*B-C+D
[6439] Calculate A*B-C+D - Look at the series (10, 19, 36, D, C, A, 520, 1033, 2058, 4107, B, 16397, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C+D! - #brainteasers #math - Correct Answers: 30 - The first user who solved this task is Nasrin 24 T
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Calculate A*B-C+D

Look at the series (10, 19, 36, D, C, A, 520, 1033, 2058, 4107, B, 16397, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C+D!
Correct answers: 30
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Church Bulletin Bloopers: Carpets and Choir Robes

A new loudspeaker system has been installed in the church. It was given by one of our members in honor of his wife.Next Sunday, a special collection will be taken to defray the cost of the new carpet. All those wishing to do something on the new carpet will come forward and get a piece of paper.Eight new choir robes are currently needed, due to the addition of several new members and to the deterioration of some older ones.Scouts are saving aluminum cans, bottles, and other items to be recycled. Proceeds will be used to cripple children. The outreach committee has enlisted 25 visitors to make calls on people who are not afflicted with any church.Please place your donation in the envelope along with the deceased person you want remembered. The ladies of the Church have cast off clothing of every kind. They may be seen in the basement on Friday afternoon.On the main page of the Internet web site for the Evangelical Lutheran Church in Canada: "In a show of near anonymity, the convention approved full communion with the Anglican Church of Canada."Father is on vacation. Massages can be given to church secretary. The audience is asked to remain seated until the end of the recession.Announcement: "The cost for attending the Fasting and Prayer Conference includes meals."The agenda was adopted. The minutes were approved. The financial secretary gave a grief report.Stewardship Offertory: "Jesus Paid It All."-
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Johannes Robert Rydberg

Born 8 Nov 1854; died 28 Dec 1919 at age 65.Swedish physicist, known for the Rydberg constant in his empirical formula that related the wave numbers of the spectral lines of an element (1890). This formula expressed fundamental relationships in those lines, which he presumed were the result of the inner nature and structure of an element's atoms. In 1897, he suggested that an atomic number for each of the elements, rather than atomic weights, would be a better means for organizing the elements and their periodicity of their characteristics. His work did provided the basis for discovering the electron shell structure of the atom. It was later established that the integer number of positive charges on an element's nucleus (its number of protons) corresponded to his idea of atomic number.«
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