Ayuda porfa ... Halla m+n
1+2+3+.....+m=210
1+3+5+.....+n = 400
1+2+3+.....+m=210
1+3+5+.....+n = 400
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N(n+1)/2=420
N=20
M^2=400
M=20
Suma m+n
2(20)-1=39 N+m 20+39= 59