Question

Aflati x din : x•(1+2+3+...+109)=60600

Answer 1

x•(1+2+3+...+109)=60600

x•(109•110/2)=60600

x•109•55=60600

x•5995=60600

x=10,10

Answer 2

Răspuns:

x+(1+2+3...+109)=60600

x:[100•(109+1):2]=60600

x•[50•110]=60600

x=60600•5500

x=333.300.000