Вычислите 3/4+1; -3/4-1; -3/4+1; 3/4-1

Question

Вычислите 3/4+1; -3/4-1; -3/4+1; 3/4-1

Answer 1

3/4 + 1 = 1 3/4,

-3/4 - 1 = - 1 3/4,

-3/4 + 1 = -3/4 + 4/4 = 1/4,

3/4 - 1 = 3/4 - 4/4 = -1/4

Answer 2

3:4+1=1,75. -3:4-1=-1,75. -3:4+1=0,25. 3:4-1=-0,25