0.999×0.6+0.111×3.6等于多少?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/30 02:54:08
![0.999×0.6+0.111×3.6等于多少?](/uploads/image/z/672758-62-8.jpg?t=0.999%C3%970.6%2B0.111%C3%973.6%E7%AD%89%E4%BA%8E%E5%A4%9A%E5%B0%91%3F)
0.999×0.6+0.111×3.6等于多少?
0.999×0.6+0.111×3.6等于多少?
0.999×0.6+0.111×3.6等于多少?
0.999×0.6+0.111×3.6=0.999x0.6+0.999x0.4=0.999x﹙0.6+0.4﹚=0.999x1=0.999
注3.6=9x0.4,0.111x3.6=0.111x9x0.4=0.999x0.4
0.999
将3.6拆成9*0.4
得0.999*0.6+0.111*9*0.4=0.999*0.6+0.999*0.4
乘法分配律提取0.999,可得结果~
0.999