Question

4.calculati media aritmetica a urmatoarelor numere rationale pozitive:b)5 supra 6;7 supra 4,c)1 supra 6;8 supra 9.trebuie cu rezolvare!

Answer 1

b)
(5/6 +7/4)/2=(10/12+21/12)/2=(31/12)/2=31/24=1,291(6)

c)
(1/6+8/9)/2=(3/18+16/18)/2=(19/18)/2=19/36=0,52(7)