Matematică
ammyca
2016-09-29 11:19:54
Calculati media aritmetica a numerelor a)0,8si2,2b)12,5si0,5c)1,75si3,25d)4,1si9,3e)o,o6si1,05f)50,01si49,98 Repede va rog!!!
Răspunsuri la întrebare
cidok
2016-09-29 14:08:50

a.(0.8+2.2)/2=3/2=1.5 b.(12,5+0.5)/2=13/2=6.5 c.(1,75+3.25)/2=5/2=2.5 d.(4,1+9,3)/2=13.4/2=6.7 e.(0.06+1.05)/2=1.11/2=0.555 f.(50.01+49.98)/2=99.99/2=49.995

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