5.6+2.7-3.6的简便计算,要脱式计算.
问题描述：
5.6+2.7-3.6的简便计算,要脱式计算.
答
5.6＋2.7－3.6
＝5.6－3.6＋2.7
＝2＋2.7
＝4·7
答
=5.6-3.6+2.7
=2+2.7
=4.7