下面各题怎样算简便就怎样算.
(1)27.3+73.2+72.7 (2)43.25﹣10.4﹣3.25 (3)3.8+1.37+6.2+12.63
(4)76.8﹣27.4﹣12.6 (5)5.85+1.89﹣2.85 (6)3.9+0.1﹣3.9+0.1.
下面各题怎样算简便就怎样算.
(1)27.3+73.2+72.7 (2)43.25﹣10.4﹣3.25 (3)3.8+1.37+6.2+12.63
(4)76.8﹣27.4﹣12.6 (5)5.85+1.89﹣2.85 (6)3.9+0.1﹣3.9+0.1.