(-3/4)+33/8+|-0.75|+(-5 1 /2)+|-2 5 /8|=?
问题描述:
(-3/4)+33/8+|-0.75|+(-5 1 /2)+|-2 5 /8|=?
答
去绝对值符号和括号得
-3/4+33/8+0.75-51/2+25/8=-0.75+4.125+0.75-25.5+3.125=-18.25