Odpowiedź:
1/5 + 3/6= 1/5 + 1/2= 2/10 + 5/10= 7/10 = 0,7
18/15 + 3/6 = 18/15 + 1/2= 36/30 + 15/30= 51/30= 1 i 21/30= 1 i 7/10= 1,7
5/6 + 4/15= 25/30 + 8/30= 33/30= 1 i 3/30= 1 i 1/10= 1,1
2/5 + 2/5= 4/10 +4/10= 8/10= 0,8
Szczegółowe wyjaśnienie:
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Odpowiedź:
1/5 + 3/6= 1/5 + 1/2= 2/10 + 5/10= 7/10 = 0,7
18/15 + 3/6 = 18/15 + 1/2= 36/30 + 15/30= 51/30= 1 i 21/30= 1 i 7/10= 1,7
5/6 + 4/15= 25/30 + 8/30= 33/30= 1 i 3/30= 1 i 1/10= 1,1
2/5 + 2/5= 4/10 +4/10= 8/10= 0,8
Szczegółowe wyjaśnienie: