48 − ‾ 13.6 + ‾ 81.175 =
I assume this is :
48 - [ - 13.6 ] + [ - 81.175 ] .....if so...... a minus outside brackets/parentheses changes the sign on everything inside.......a plus outside brackets/parentheses changes nothing....so we have......
48 + 13.6 - 81.175 =
-19.575
