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Calculati:

(1/2+3/4+31/99)+(1/2+1/4+68/99)

(5/7+2/5-134/268)+(2/7-2/5+134/268)

3/4+(5/36-1/18)-(7/6-1/2)

210/112+210210/112112+210210210/112112112 Varooog ajutor


Răspuns :

1) = 3
2)= 1
3) 1/6
4)1009009005/44844844