c)8/9 d)1/5
c)5/8 d)3/9
Răspuns:
Explicație pas cu pas:
1 - 1/9 = 9/9 - 1/9 = 9/9
1 - 3/8 = 8/8 - 3/8 = 5/8
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1 - 1/5 - 3/5 = 5/5 - 1/5 - 3/5 = 4/5 - 3/5 = 1/5
1 - 4/9 - 2/9 = 9/9 - 4/9 - 2/9 = 5/9 - 2/9 = 3/9 = 1/3
