MATH PUZZLE: Can you replace...
[3717] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 97 - The first user who solved this task is On On Lunarbasil
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 97
The first user who solved this task is On On Lunarbasil.
#brainteasers #math #riddles
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Jokes to celebrate Weed Appreciation Day

Today is National Weed Appreciation Day in USA! Appreciate your Weed!

Why did the dandelion become a motivational speaker?
Because it wanted to teach everyone how to turn their weeds into wishes!

Why was the clover invited to the garden party?
Because it was a popu-lawn guest!

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Alexander M. Lippisch

Born 2 Nov 1894; died 11 Feb 1976 at age 81.Alexander M(artin) Lippisch was a German-American aerodynamicist whose designs of tailless and delta-winged aircraft in the 1920s and 1930s were important in the development of high-speed jet and rocket airplanes. Lippisch based his tailless arrow shaped aircraft on this example from nature - a flying seed of a tropical plant sent to him by a friend. He felt that the wing near the body should be thicker so that it could be utilized for additional storage, made possible by making the wing near the body longer. This is how he arrived at the delta shaped wing. His first motorized delta wing flew in 1931.
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