PILNE
1\3+1\4-1\5-1\6=??
8 1\4-1\2+71\3=??
1\3+1\2
..................=
1\4x3
1\7+2\6
............=
(11\2x3\4)+3
szyybko
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1/3 + 1/4 - 1/5 - 1/6 = 40/120 + 30/120 - 24/120 - 20/120 = 26/120 = 13/60
8 1/4 - 1/2 + 7 1/3 = 33/4 - 1/2 +22/3 = 99/12 - 6/12 + 88/12 =181/12=15 1/12
1/3 + 1/2 = 2/6 + 3/6 = 5/6
1/4 * 3 = 3/4
1/7 + 2/6 = 6/42 + 14/42 = 20/42 = 10/21
(11/2 + 3/4) +3 = 33/8 + 3 = 4 1/8 + 3 = 7 1/8
1. 13\60
2. 10\24
3. 1\3+1\2=2\6+3\6=5\6
4. 3\4
5. 1\7+2\6= 6\42+14\42=20\42
6.