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Mathematics, 14.07.2019 00:00 robert7248
The sum of three numbers is 13. the sum of twice the first number, 4 times the second number, and 5 times the third number is 40. the difference between 5 times the first number and the second number is 39. find the three numbers.
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The sum of three numbers is 13. the sum of twice the first number, 4 times the second number, and 5...
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