Verified answer

1.

15/16 * 8/25 = 3/10,

3 1/2 * 4 = 7/2 * 4 = 7 * 2 = 14,

2,4 * 2 2/9 = 24/10 * 20/9 = 16/3 = 5 1/3,

2.

3/4 от 36 = 3/4 * 36 = 3 * 9 = 27,

28% от 200 = 28/100 * 200 = 28 * 2 = 56,

56 - 27 = 29

3.

1) 3/7 * 35 = 3 * 5 = 15 см - 1 сторона,

2) 6/10 * 15 = 3 * 3 = 9 см - 2 сторона,

3) 35 - (15 + 9) = 35 - 24 = 11 см - 3 сторона