dwie cale 1/5odjac jedna cala1/6podzielic dwie cale1/3
2 1/5 - 1 1/6 : 2 1/3= 2 1/5 - 7/6 : 7/3= 2 1/5 - 7/6* 3/7= 2 i 1/5 - 1/2= 2 i 2/10 - 5/10= 1 i 7/10 (1,7)
1 1 11 7 66 35 31 1
2 ---- - 1 ---- = ---- - ---- = ---- - ---- = ---- = 1 ----
5 6 5 6 30 30 30 30
1 7
2 --- = ---
3 3
3 * 31 31
---- x ---- = ----
7 30 70
* mnożenie przed odwrotność, to to samo co dzielenie.
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2 1/5 - 1 1/6 : 2 1/3= 2 1/5 - 7/6 : 7/3= 2 1/5 - 7/6* 3/7= 2 i 1/5 - 1/2= 2 i 2/10 - 5/10= 1 i 7/10 (1,7)
1 1 11 7 66 35 31 1
2 ---- - 1 ---- = ---- - ---- = ---- - ---- = ---- = 1 ----
5 6 5 6 30 30 30 30
1 7
2 --- = ---
3 3
3 * 31 31
---- x ---- = ----
7 30 70
* mnożenie przed odwrotność, to to samo co dzielenie.