Question

calculati media aritmetica a numerelor a) 3si7 b) 8si 12 c) 15 si 21 d)0si14 e)101 si 43 f) 401 si 209 g) 1989 si1113 h)2013 si 1

Answer 1

3+7=10, 10:2 =5
8+12=20 20:2=10
15+21=36, 36:2=18
0+14=14, 14:2=7
101+43=144, 144:2= 72
401+209=610, 610:2=305
1989+1113=1302 1302:2= 651
2013+1=2014, 2014:2=1007

Answer 2

3+7=10 8+12=20 15+21=36 0+14=14 101+43=144 401+209=610 1989+1113=3102 2013+1=2014