- 1/4 - 6×2/4 = - 13/4
1) -6/1 × 2/4 = -3/1 × 2/2 = -3/1 × 1 = -3/1 = -3
2) -1/4 - 3/1 = - ( 1/4+3/1 ) = -(1+12/4) = -13/4
- 1/4 - 6×2/4 = - 13/4
1) -6/1 × 2/4 = -3/1 × 2/2 = -3/1 × 1 = -3/1 = -3
2) -1/4 - 3/1 = - ( 1/4+3/1 ) = -(1+12/4) = -13/4