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calculati (-3/8)+(+5/8) b) 5/12+(-7/12) c)(-3/4)+(+5/6) d) (-5/24)+19/18 e) 1/6+(-2/9) f) (-7/12)+8/15

Răspuns :

Zoriizilei
a) +2/8 = 1/4
b)-2/12 = - 1/6
c)-9/12+10/12 = +1/12
d) - 15/72+76/72 = 61/72
e) 3/18 - 4/18 = - 1/18
f)-35/60 + 32/60 = - 3/60 = - 1/20

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