(9-2целых2/15×3целых1/8)×9/14 по действиям.
1) 2 2/15× 3 1/8 = 32/15× 25/8 = 20/3 = 6 2/3 2) 9 - 6 2/3 = 8 3/3 - 6 2/3 = 2 1/3 3) 2 1/3 × 9/14 = 7/3 × 7/14 = 3/2 = 1 1/2