请教一道小学算术题用最简便的方法(1+0.23+0.34)X(0.23+0,34+0.65)－(1+0.23+0.34+0.65)X(0.23+0.34)=
问题描述：
请教一道小学算术题用最简便的方法
(1+0.23+0.34)X(0.23+0,34+0.65)－(1+0.23+0.34+0.65)X(0.23+0.34)=
答
(1+0.23+0.34)X(0.23+0,34+0.65)=1X(0.23+0.34)+(0.23+0.34)X(0.23+0.34)+1X0.65+(0.23+0.34)X0.65 （同时提取公因式(0.23+0.34)）=(1+0.23+0.34+0.65)X(0.23+0.34)+0.65从而可以知道(1+0.23+0.34)X(0.23+0,34+0.65)...