А)1 1/8*9 1/3= б)3/4*8/9= в)3/10*2 6/7*1 5/9= Помогите пж !
А) 1 1/8 * 9 1/3 = 9/8 * 28/3 = 21/2 = 10 1/2, б) 3/4 * 8/9 = 2/3, в) 3/10 * 2 6/7 * 1 5/9 = 3/10 * 20/7 * 14/9 = 4/3 = 1 1/3