Номер1
27/36 : 3= 9/12:3=3/4
50/75:5=10/15:5=2/3
112/80:2=56/40:2=28/20:2=14/10:2=7/5=1 целая2/5
номер 2
А)НОЗ=3×7×2=42 Т.Е
5/14×3=15/42 И 8/21×2=16/42
15/42<16/42<br>Б)НОЗ=2×2×2×11×2×5=880 Т.Е
31/88×10=310/880
112/80×11=1232/880
310/880<1232/880<br>