﹙1+0.23+0.34﹚×﹙0.23+0.34+0.56)-﹙1+0.23+0.34+0.56﹚×﹙0.23+0.34)

来源:学生作业学帮网 编辑:学帮网 时间:2024/06/27 18:41:41

﹙1+0.23+0.34﹚×﹙0.23+0.34+0.56)-﹙1+0.23+0.34+0.56﹚×﹙0.23+0.34)

这就是个移项问题
(1+0.23+0.34)X (0.23+0.34+0.56)-[ (1+0.23+0.34)X(0.23+0.34)+0.56X(0.23+0.34)]
=(1+0.23+0.34)X (0.23+0.34+0.56)-(1+0.23+0.34)X(0.23+0.34)-0.56X(0.23+0.34)
=(1+0.23+0.34)X (0.23+0.34+0.56-0.23-0.34)-0.56X(0.23+0.34)
=(1+0.23+0.34)X 0.56-0.56X(0.23+0.34)
=0.56