Question

aflați media aritmetică a)12,20: b)31,24: c)15,17,31: d)15,17,31: e)1/2,3/4,5/6,3/8 f)7,2; 10,6 g)1,8;2,3;4,6 h)1,2,0,(4) i)5,(3); 4,2; 6,(7).
vă rog urgent

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Answer 1

Răspuns:

12+20 supra 2=....

31+24 supra 2 =.... tot asa