23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378/是÷号结果是23.42,

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/24 21:02:25

23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378/是÷号结果是23.42,
23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378
/是÷号
结果是23.42,

23.42+46.84×0.5378×1/4+0.5378×46.84×0.75-8×46.84×0.125×0.5378/是÷号结果是23.42,
23.42 后面的可以化掉的

53.42

太长了。
=23.42+46.84*(0.5378*0.25+0.5378*0.75-8)
=23.42+46.84*(0.5378*(0.25+0.75)-8)
=23.42+46.84*(0.5378-8)
=23.42+46.84*(-7.4622)
=23.42-349.529948
=-326.109448
算德太累了,