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In 1957 the USSR launched the first artificial satellite, with what name?

Ludwig van Beethoven originally referred to his symphony No. 3 in E flat major (Op. 55) by what name?

The First Lady of which US president was known as "Lady Bird"?

What is the distinguishing characteristic of the Anabantoidei species of fish, known as gourames?

The geographic region which includes Micronesia, Melanesia, Polynesia and Australasia is known as what?

What World Heritage Site is located 20 miles north of Stonehenge in the UK?

What and where are the Yungas?

What was the Pearl, created and first marketed by Peek Frean in 1865?

If 5 - 4 = 23 8 - 1 = 63 6 -16 = 32 9 - 9 = 78 3 - 9 = 6 then 3 - 81 = ?

Answer is 0 Method is sq(first no.) - sqrt(second no.) = ans 5-4 = 5^2 - sqrt(4) = 25-2 = 23 8-1 = 8^2 - sqrt(1) = 64-1 = 63 6-16 = 6^2 - sqrt(16) = 36-4 = 32 9-9 = 9^2 - sqrt(9) = 81-3 = 78 3-9 = 3^2 - sqrt(9) = 9-3 = 6 3-81 = 3^2 - sqrt(81) = 9-9 = 0

0 ,first sqare the first term and subtract the sqare root of second term

IF

5 - 4 = 23 8 - 1 = 63 6 - 16 = 32 9 - 9 = 78 3 - 9 = 6

Then

3 - 81 = ?

If 5-4=23, 6-16=32, 9-9=78, 3-9=6 then 3-61=??

3 2 = 7 5 4 = 23 9 9 = 78

3 81 = ??