Решите уравнения: a). 8 1/2 m = 3 2/3 * 1 1/11
b) y : 4/5 = 3 1/8 : 1 1/4
c) z : 3/14 = 3 1/9 : 4/9

1) 8 1/2m = 3 2/3 × 1 1/1117/2m = 11/3 × 12/1117/2m = 1/1 × 4/117/2m = 4m = 4 : 17/2m = 4 × 2/17m = 8/172) y : 4/5 = 3 1/8 : 1 1/4y : 4/5 = 25/8 : 5/4y : 4/5 = 25/8 × 4/5y : 4/5 = 5/2 × 1/1y : 4/5 = 5/2y = 5/2 × 4/5у = 4/2у = 23) z : 3/14 = 3 1/9 : 4/9z : 3/14 = 28/9 : 4/9z : 3/14 = 7z = 7 × 3/14z = 21/14z = 1 1/2Ответ: 1 1/2.

 2)у:4/5=3 1/8:1 1/4

у:4/5=25/8:5/4

у:4/5=25/8*4/5

у:4/5=5/2

у=5/2*4/5

у=4/2=2