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

In the laboratory, Ryan was viewing the following sequence: AGGAGGA----TCCGCCT. Where did he highlight the presence of a mutation in this sequence?
who was the spanish conqueror that overthrew the inca empire?
Are we doing our boys a disservice in they way we raise them? If so, in what ways ?
What does these words mean in English?
A car travels a distance of 100 miles in a time of 2.6 hours. What is its average speed rounded to 1dp?
1.The HCF of 15 and 20?2.5!=??...????​
explain how and why was perceval able to advance as a knight?​
Desperate, Will Mark Brainllest and Give Thanks for Correct Answer What was the most important invention changing the life of Americans?
One minus five sixths equals
PLZ HURRY IT'S URGENT!!! Find the volume of the prism.