Calculate the number 613
[6170] Calculate the number 613 - NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 17 - The first user who solved this task is Nílton Corrêa de Sousa
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Calculate the number 613

NUMBERMANIA: Calculate the number 613 using numbers [2, 8, 9, 4, 39, 538] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 17
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #numbermania
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Late one Sunday afternoon, a b...

Late one Sunday afternoon, a blonde from a Pennsylvania small town was taking a long walk through a nearby meadow, when she was surprised to see a parachutist trapped in the high branches of a tree.
"Help!" he cried when he spotted her down below.
"What are you doing up there?" she called back.
"I was skydiving," he answered, "and my parachute didn't open!"
The blonde rolled her eyes: "Well, of course it didn't. If you'd just asked one of the locals, anybody could've told you that nothing around here opens on a Sunday!"
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William Oughtred

Died 30 Jun 1660 at age 85 (born 5 Mar 1575).English mathematician and Episcopal minister who invented the earliest form of the slide rule, two identical linear or circular logarithmic scales held together and adjusted by hand. Improvements involving the familiar inner rule with tongue-in-groove linear construction came later. He introduced the familiar multiplication sign x in a 1631 textbook, along with the first use of the abbreviations sin, cos and tan.[DSB gives date of birth as 5 Mar 1575. EB gives 5 Mar 1574.]
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