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calculați media armetica a nr 7 , 8, 36, b) 20, 81, 103, c)12345, 21, 675, d)2×, 4×, 5×, 9×, e)12, 14, 16, 18, f)80, 43, 66

Răspuns :

MrXander
a)(7+8+36):3 = 51:3=17
b)(20+81+13):3=114:3=38
c)(12345+21+675):3=13041:3=4347
d)(2x+4x+5x+9x):4=20x:4=5x
e)(12+14+16+18):4=40:4=10
f)(80+43+66):3=189:3=63
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