Mathematics, 20.09.2019 08:30 ryanfish6106

Exercises
1. the sum of both numbers of a number is 14. on having exchanged the numbers of the tens with that of the units, the number increases in 18. it finds the original number.
2. the sum of two numbers is 21 and his difference is 5. ¿which are the numbers?
i am grateful for them to him very much indeed : )

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