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2/7*0,3 = 2/7 * 3/10 = 6/70 = 3/35
1 3/4 : 0,1 = 7/4 : 1/10 = 7/4 * 10 = 70/4 = 17 1/2 = 17,5
0,6 : 3/4 = 6/10 : 3/4 = 3/5 * 4/3 = 4/5 = 8/10 = 0,8
2 i 10 skracamy
dzielenie masz w załącznikach