вычислите
A)5/6:(3/4-1/12)=
B)2-3/8*4/5=

А)5/6:(3/4-1/12)= 5/6 * 2/3 = 5/6 * 3/2 = 5/2 * 1/2 = 5/4В)2-3/8*4/5=2 - 3/2 * 1/5 = 2 - 3/10= 17/10

5/6:(3/4-1/12)=10/12: (9/12-1/12)=10/12:8/12=10/12*12/18=10/8 =1 8/10  2-3/8*4/5 =1,7