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Răspuns:
d) 8/9- 5/9=3/9=1/3
e) 3/2-1/2=2/2=1
f) 49/3 - 18/3=31/3
g) 40/7 - 19/7=21/7=3
h) 47/20 - 15/20=32/20
Explicație pas cu pas: