Question

найдите значение выражения (1/20+11/8)*18/5

Answer 1

(1/20 + 11/8) * 18/5 = 5 13/100
1) 1/20 + 11/8 = 2/40 + 55/40 = 57/40
2) 57/40 * 18/5 = (57 * 18) / 40* 5) = 1026/ 200 =5 26/200 = 5 13/100 = 5,13