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Lavinia11
a fost răspuns

Aflati x Stiind ca (1+2+3+..........+100):x=101

Răspuns :

Flavistin
(1+2+3+.............+100):x=101
[100x(100+1)/2]:x=101
(50x101):x=101
5050:x=101
x=5050:101
x=50
Matematician1234
(1+2+3+...+100):x=101
[100(100+1)/2]:x=101
(100·101/2):x=101
5050:x=101
x=5050:101
x=50