7 11/50 + 0,78 - 4 7/8 = 361/50 + 78/100 - 39/8 = 361/50 + 39/50 - 39/8 = 322/50 -39/8 = 6,44 - 4,875 = 1,565
Ответ: 1,565.
7 11/50 + 0,78 - 4 7/8 = 361/50 + 78/100 - 39/8 = 361/50 + 39/50 - 39/8 = 322/50 -39/8 = 6,44 - 4,875 = 1,565
Ответ: 1,565.