Выполните действия ( 2/ 15 + 7/12) ×30/43- 2 : 2 1/2 × 5/32
1 2 5 3 4 (2/15 + 7/12) * 30/43 - 2 : 2 1/2 * 5/32 = 3/8 1) 2/15 + 7/12 = 8/60 + 35/60 = 43/60 2) 43/60 * 30/43 = 1/2 3) 2 : 5/2 = 4/5 4) 4/5 * 5/32 = 1/8 5) 1/2 - 1/8 = 4/8 - 1/8 = 3/8