203
х=6+8
х=14
---------------
х=36-(-16)
х=36+16
х=52
-------------
х=-17,8+12
х=-5,8
--------------
у=0,96-(-5,6)
у=0,96+5,6
у=6,56
---------------
у=19 4/5-12 2/3
у=19 12/15-12 10/15
у=7 2/15
------------------------
х=1/5-(-1/3)
х=3/15+5/15
х=8/15
---------------
204
=-28+(-30)
=х+(-40)
=23+а