(4-3/4:1 1/8):2/3=1/2
(4 - 3/4 : 1 1/8) : 2/3 = 1/2 (4 - 3/32) х 3/2 = 1/2 125/32 х 3/2 = 1/2 375/64 = 1/2 750 = 64 - ложное уравнение