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suma a patru nr pare consecutive este 364 Alfla nr ?

Răspuns :

a+2+a+4+a+6+a+8= 364
4a+ 20= 364
4a= 364-20
4a= 344
a= 344:4
a= 86

numerele sunt
86+2= 88
86+4= 90
86+6= 92
86+8= 94

=> 88, 90, 92, 94

w+x+y+z=364


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2+4+6+8=20


364-12=352


w=352:4


w=91


x=91+2


x=93


y=93+2


y=95


z=95+2


c=97