Răspuns :
Ma= (73-7 / 9 + 35-3 / 9 + 57-5 / 9) / 3 = 66+32+52 / 9 / 3 =
150 / 9*3 = 50/9 = 5intregi si 5/9.
150 / 9*3 = 50/9 = 5intregi si 5/9.
7,(3) = (73-7)/9 = 66/9
3,(5) = (35-3)/9 = 32/9
5,(7) = (57-5)/9 = 52/9
m.a. = (66/9 + 32/9 + 52/9) : 3 = 150/9 x 1/3 = 150/27 = 5,(5)
3,(5) = (35-3)/9 = 32/9
5,(7) = (57-5)/9 = 52/9
m.a. = (66/9 + 32/9 + 52/9) : 3 = 150/9 x 1/3 = 150/27 = 5,(5)