激战结局是什么:一道数学题

来源:百度文库 编辑:神马品牌网 时间:2024/05/01 09:20:03
. . . .
0.12+0.23+0.34+0.45=

1.14

0.12+0.23+0.34+0.45
=0.11*1+0.01+0.11*2+0.01+0.11*3+0.01+0.11*4+0.01
=0.11*(1+2+3+4)+0.04
=0.11*10+0.04
=1.14

等于:0.12+0.23+0.34+0.45=1.14

0.12+0.23+0.34+0.45=1.14

1.140

1.14,这有什么难的吗?