2 1/5 * 1,5 = 2,2 * 1,5 = 3,3 5 2/3 * 1,2 = 5 2/3 * 1 1/5 =17/3 * 6/5 = 102/ 15 0,4 * 3/34= 2/5 * 3/34 = 6/170 = 3/85 4/7:3 1/5 = 4/7 : 16/5 = 4/7 * 5/16 = 20/112 1.8 : 2/5 = 1 4/5 : 2/5 =9/5 : 2/5 = 9/5 * 5/2 = 45/10 2.4: 1/2 = 2 2/5 : 1/2 = 12/5 : 1/2 = 12/5 * 2/1 = 24/5 5,5 : 2 3/4 = 5 1/2 : 2 3/4 = 11/2 : 11/4 = 11/2 * 4/11 = 44/22 = 2/1 = 2
1 Wykonaj mnożenie 2 1/5 * 1,5 = 11/5 * 15/10 = 11/1 * 3/10 = 33/10 = 3 3/10 5 2/3 * 1,2 = 17/3 * 12/10 = 17/1 * 4/10 = 68/10 = 6 8/10 = 6 4/5 tu chyba błąd zrobię w dwóch wersjach 0,4 * 3 /34 = 4/10 * 3/34 = 2/10 * 3/17 = 6/170 = 3/85 0,4 * 3 3/4 = 4/10 * 15/4 = 1/2 * 3/1 = 3/2 = 1 1/2 2 Wykonaj dzielenie 4/7:3,2 = 4/7 : 32/10 = 4/7 * 10/32 = 1/7 * 10/8 = 10/56 = 5/28 1,8:2/5 = 18/10 : 2/5 = 9/5 * 5/2 = 9/2 = 4 1/2 2,4:1/2 = 12/5 * 2/1 = 24/5 = 4 4/5 5,5:2 3/4 = 55/10 : 11/4 = 55/10 * 4/11 = 5/5 * 2/1 = 1 * 2 = 2 3 3/5:1,125 = 18/5 : 9/8 = 18/5 * 8/9 = 2/5 * 8 = 16/5 = 3 1/5 2 1/4:0,75 = 9/4 : 3/4 = 9/4 * 4/3 = 9/3 = 3
