Ответ:
А) 2/15+5/12=8+25/60=33/60=11/20
Б) 2 2/3:1,6#=8/3: 1 3/5=8/3*5/8=5/3=1 2/3
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Ответ:
А) 2/15+5/12=8+25/60=33/60=11/20
Б) 2 2/3:1,6#=8/3: 1 3/5=8/3*5/8=5/3=1 2/3