﹙1+0.23+0.34﹚×﹙0.23+0.34+0.56)-﹙1+0.23+0.34+0.56﹚×﹙0.23+0.34)
问题描述:
﹙1+0.23+0.34﹚×﹙0.23+0.34+0.56)-﹙1+0.23+0.34+0.56﹚×﹙0.23+0.34)
答
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-...