(-1/3)-|5/12-(-3/4)|
=(-1/3)-|5/12+3/4|
=(-1/3)-|5/12+9/12|
=(-1/3)-|14/12|
=(-1/3)-14/12
=-1/3-14/12
=-(1/3+14/12)
=-(4/12+14/12)
=-18/12
化简
=-3/2
(-1/3)-|5/12-(-3/4)|
=(-1/3)-|5/12+3/4|
=(-1/3)-|5/12+9/12|
=(-1/3)-|14/12|
=(-1/3)-14/12
=-1/3-14/12
=-(1/3+14/12)
=-(4/12+14/12)
=-18/12
化简
=-3/2