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ajutatima varogggg 6/11:9/22 12/13:4/39 2/3:1/6 3/4:21/40 56:8/11 1 5,13:6

Răspuns :

6/11 x 22/9 = 4/3

12/13 x 39/4 = 9

2/3 x 6 = 4

3/4 x 40/21 = 10/7

56 x 11/8 = 77

Ultimul exercitiu nu-l inteleg... Acolo e un 1 apoi un 5, o virgula si un 13:6... Daca imi explici, ti-l rezolv !
6/11:9/22=2x2/3=4/3
12/13:4/39=12/13x39/4=3x3=9
2/3:1/6=2/3x6/1=2x2=4
3/4:21/40=3/4x40/21=10/7
56:8/11=56x11/8=7x11=77
18/13x1/6=3/13