2 i 5 szóstych + 1,75 = ?
4 i 7 ósmych - 2,5 = ?
5,5 x 2 i 2 jedynaste = ?
8,4 : 1 i1 piąta = ?
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2 5/6 + 1,75 = 2 5/6 + 1 3/4 = 2 10/12 + 1 9/12 = 3 19/12 = 4 7/12
4 i 7/8 - 2,5 = 4 7/8 - 2 1/2 = 4 7/8 - 2 4/8 = 2 3/8
5,5 x 2 i 2/11 = 11/2 x 24/11 = 12
8,4 : 1 i1/5= 42/5 : 6/5 = 42/5 * 5/6 = 7
2 5/6+1,75=2 5/6+13/4=2 10/12+1 9/12=3 19/12=4 7/12
4 7/8-2,5=4 7/8-2 1/2=4 7/8-2 4/8=2 3/8
5,5x2 2/11=5 1/2x24/11=11/2X24/11=12
8,4:1 1/5=8 2/5:6/5=42/5:6/5=42/5X5/6=7