Oblicz średnią arytmetyczną liczb. a) 43 i 17 B) 24 i 26 C) 48 i 32 D) 57 i 85
a) 43 i 17 = 43+17=60 60:2=30
B) 24 i 26 = 24+26= 50 50:2=25
C) 48 i 32 = 48+32= 80 80:2= 40
D) 57 i 85 = 57+85= 142 142:2=71
proszę. :D
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a) 43 i 17 = 43+17=60 60:2=30
B) 24 i 26 = 24+26= 50 50:2=25
C) 48 i 32 = 48+32= 80 80:2= 40
D) 57 i 85 = 57+85= 142 142:2=71
proszę. :D