Вычислитеа)1/6+1/9,б)2/9 +5/6,в)2/9+3/8,г)2/10+6/15д)3/10+2/12

Question

Вычислитеа)1/6+1/9,б)2/9 +5/6,в)2/9+3/8,г)2/10+6/15д)3/10+2/12

Answer 1

А)1/6+1/9 = 3/18+2/18=5/18
б) 2/9+5/6 = 4/18+15/18 = 19/18 = 1 1/18
в)2/9+3/8 = 16/72 + 27/72 = 43/72
г) 2/10+6/15 = 6/30 + 12/30 = 18/30 = 3/5
д)3/10 + 2/12 = 18/60 + 10/60 = 28/60 = 7/15

Comments

Спасибо