Question

как упростить выражение n-4/9n+1/6n при n= 2целых 10/13

Answer 1

1n - 4/9 n +1/6n = (1 -4/9 +1/6)n= (18/18 -8/18 +3/18)n = 13/18 n = 13/18·2 10/13 = 13/18·36/13 = 36/18 = 2