Question

media aritmetica a 3 nr consecutive este 186 determinati nr

Answer 1

a+a+1+a+2=186
3a+3=186
3a=186-3
3a=183
a=183/3
a=61
nr sunt: 61,62,63

Answer 2

(x+x+1+x+2):3=186=>x+x+1+x+2=558=>3x=555=>x=185=>x+1=186=>x+2=187