mariaiuga41 mariaiuga41
  • 01-10-2017
  • Mathematics
contestada

suma a doua numere este 500 iar diferenta lor este 100. aflati numerele

Respuesta :

Wings0s
Wings0s Wings0s
  • 01-10-2017
Notăm cu a,b  numerele
a+b=500
a-b=100⇒a=100+b
100+b+b=500
100+2b=500
2b=400
b=200
a=200+100⇒a=300
Numerele sunt 200 şi 300
Answer Link

Otras preguntas

What is the value of the digit 5 in the number 75 ?
Which is the better buy?12 bars of soap for $10.00 or 5 bars of soap for $4.00
Who was Alexander the Great?
Of the 60 books on a bookshelf, 24 are nonfiction, 9 are realistic-fiction, 11 are reference, and the remaining books are fantasy. What percent of the books are
What kind of stars become dwarfs????
What is the degree of the monomial 6x^5
Choose the answer that does NOT complete the sentence correctly. Los estudiantes _____ la lección. comprenden beben leen hacen
simplify the rational expression 5x+15÷5x-15
Need help with this?
Kurt can buy one pound of nails for $3.55 How many pounds of nails can Kurt buy for $12 Round to the nearest hundredth.