1)
(2 3/4+0,7)+1,35=11/4+7/10+135/100=11/4+7/10+27/20=55/20+14/20+27/20=96/20=48/10=24/5=4 4/5
2)
(8,6+5,9)+2 7/10=86/10+59/10+27/10=172/10=86/5=17 1/5
0
1)
(2 3/4+0,7)+1,35=11/4+7/10+135/100=11/4+7/10+27/20=55/20+14/20+27/20=96/20=48/10=24/5=4 4/5
2)
(8,6+5,9)+2 7/10=86/10+59/10+27/10=172/10=86/5=17 1/5
0