Question

4*1/4+5/2*7,5 найдите значение

Answer 1

1) 4*1/4=1
2) 5/2*7,5=75/4
3) 1+75/4=19,75

Answer 2

4*1/4+5/2*7,5 = 1 + 5/2 * 15/2 = 1 + 75/4 = 1 + 18 + 3/4 = 19,75