4) intr-un concurs de alergare 6 elevi au inregistrat urm. timpi
I 7,2 s. II 6,8 s. III 8,3 s. IV 7,10 s. V 7,8 s. VI 7,6 s
a) ordonati crescator timpi
b) faceti media aritmetica
c) calculeaza intervalul de timp

Va rog repede pt ca imi trebuie ora in aceasta ora​

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