简便运算(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.23)

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/29 10:47:46
简便运算(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.23)

简便运算(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.23)
简便运算(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.23)

简便运算(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.34)X(0.12+0.23)
(1+0.12+0.23)X(0.12+0.23+0.34) - (1+0.12+0.23+0.34)X(0.12+0.23)
=(0.12+0.23+0.34)+(0.12+0.23)×(0.12+0.23+0.34) - (0.12+0.23)-(0.12+0.23+0.34)×(0.12+0.23)
=(0.12+0.23+0.34) - (0.12+0.23)
=0.34