Ułóż i rozwiąż 7 proporcji z ułamkami :)
1) 2/3 + 1/3 = 1
2) 5 i 1/2 + 2 i 1/2 = 8
3) 3/5 + 6/10 = 3/5 + 3/5 = 6/5 = 1 i 1/5
4) 25/50 + 2/10 = 5/10 + 2/10 = 7/10
5) 5 : 1/2 = 10
6) 3/5 * 2/5 = 6/5 = 1 i 1/5
7) 2 i 3/6 - 4/6 = 1 i 5/6
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1) 2/3 + 1/3 = 1
2) 5 i 1/2 + 2 i 1/2 = 8
3) 3/5 + 6/10 = 3/5 + 3/5 = 6/5 = 1 i 1/5
4) 25/50 + 2/10 = 5/10 + 2/10 = 7/10
5) 5 : 1/2 = 10
6) 3/5 * 2/5 = 6/5 = 1 i 1/5
7) 2 i 3/6 - 4/6 = 1 i 5/6