Calculate the number 489
[7560] Calculate the number 489 - NUMBERMANIA: Calculate the number 489 using numbers [1, 1, 3, 3, 54, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 1
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Calculate the number 489

NUMBERMANIA: Calculate the number 489 using numbers [1, 1, 3, 3, 54, 544] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
#brainteasers #math #numbermania
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In 1806, Congreve rockets were first used as destructive war implements at Boulogne, when they set the town on fire. Earlier in 1806, they been demonstrated in England in the presence of Mr. Pitt and several of the cabinet ministers. These carcase-rockets had been invented by Sir William Congreve about 1803. Improved rockets were made by Hales in 1846. Boxer's life-saving rope-carrying rockets, for communicating with stranded vessels were described in 1878.*
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