⑴0.125＋﹙＋3¼﹚＋﹙﹣3⅛﹚＋﹙＋3⅛﹚＋﹙＋⅞﹚＋﹙﹣0.25﹚
=1/8+7/8-1/4+3.25+3.125-3.125
=1+3.25-0.25
=4
﹙＋3/17﹚＋﹙－3.36﹚＋[﹙＋7.36﹚＋﹙＋14/17﹚]
=3/17-3.36+7.36+14/17
=3/17+14/17+4
=5
（＋1﹚＋﹙－2﹚.＋﹙＋99﹚＋﹙－100﹚
=（1-2）+(3-4)+...+(99-100)
=-1-1-..-1
=-1x50
=-50
⑴0.125＋﹙＋3¼﹚＋﹙﹣3⅛﹚＋﹙＋3⅛﹚＋﹙＋⅞﹚＋﹙﹣0.25﹚