Calculate the number 345
[207] Calculate the number 345 - NUMBERMANIA: Calculate the number 345 using numbers [5, 3, 2, 5, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 45 - The first user who solved this task is Sanja Šabović
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Calculate the number 345

NUMBERMANIA: Calculate the number 345 using numbers [5, 3, 2, 5, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 45
The first user who solved this task is Sanja Šabović.
#brainteasers #math #numbermania
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World Teachers' Day Jokes

On 5th October we appreciate our educators with World Teachers' Day! Here are some light-hearted teacher jokes:

Why did the math book look sad?
Because it had too many problems.

Teacher: Give me a sentence beginning with ‘I’.
Student: I is the…
Teacher: Remember you must say ‘I am’ not ‘I is’.
Student: All right. I am the ninth letter of the alphabet.

Q: Who’s the king of the classroom?
A: The ruler.

Q: What’s the longest word in the dictionary?
A: Smiles. Because there’s a mile between the first letter and the last.

Teacher: Why are you late for school?
Student: Because of a sign down the road.
Teacher: What does the sign have to do with you being late?
Student: The sign said, “School Ahead, Go Slow!”

Q: Why did the teacher wear sunglasses on the first day of school?
A: She heard her classes were super bright!

Teacher: If I had 8 oranges in one hand and 10 apples in the other hand, what would I have?
Student: Big hands!

Teacher: We will only have a half-day of school this morning…
Students: Yay!!!!
Teacher: Then we will have the other half this afternoon.

Teacher: What is the most common phrase used in school?
Student: I don’t know!
Teacher: Correct!

Teacher: What are two pronouns?
Student: Who? Me?

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Edward A. Doisy

Born 13 Nov 1893; died 23 Oct 1986 at age 92.Edward Adelbert Doisy was an American biochemist who shared (with Henrik Dam) the 1943 Nobel Prize for Physiology or Medicine for his isolation and synthesis of vitamin K, a substance that encourages blood clotting (1939), used in medicine and surgery. With the embryologist Edgar Allen (1922-34), he developed assay techniques that facilitated research on sex hormones. Doisy and his associates isolated the sex hormones estrone (theelin, 1929; the first estrogen to be crystallized), estriol (theelol, 1930), and estradiol (dihydrotheelin, 1935). In 1936-39 he isolated two forms of the vitamin, (K1 from lucerne seed and K2 from fish meal, in a pure crystalline form), determined their chemical structures, and synthesized the vitamin.«
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