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14/9 : 4/3 * 1/4 =14/9 * 3/4 * 1/4 = 14/3 * 1/1 * 14/1 = 1/3 * 1 * 1 = 1/3
""3 i cztery dziewiąte - 1 i dwie trzecie razy 1,8 =""
31/9 - 5/3 * 9/5 = 31/9 - 1/1 * 3/1 = 31/9 - 3 = 31/9 - 27/9 = 4/9
""4,5 razy 5 i pięć dziewiątych = 6,4 razy trzy ósme ""
9/2 * 50/9 = 1/1 * 25/1 = 1 * 25 = 25
64/10 * 3/8 = 8/10 * 3/1 = 8/10 * 3 = 24/10
3 1/3- 1/3 ∙0,6=3 1/3- 1/3 ∙ 6/10= 3 1/3- 1/5= 50/15- 3/15= 47/15=3 2/15
3 4/9- 1 2/3 ∙1,8=3 4/9- 1 2/3 ∙1 8/10=3 4/9- 5/3 ∙ 18/10=3 4/9- 3= 4/9