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Afla cat este x daca: x+13680+5000-13744=17235



va roog dau coroana


Răspuns :

x+13680+5000-13744=17235/+13744
x+13680+5000=30979/-5000
x+13680=25979=> x=25979-13680=> x =12299
x+13680+5000-13744=17235
Metoda mersului invers:
x+13680+5000=17235+13744
x+13680+5000=30979
x+13680=30979-5000
x+13680=25979
x=25979-13680
x=12299

Cu plăcere!