简便运算:(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/06 07:20:39
![简便运算:(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)](/uploads/image/z/16069-13-9.jpg?t=%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%EF%BC%9A%283.14%2A7.42%2B2.58%2A3.14%29%2F%283.25%2B3.14-3%E5%8F%881%2F4%29)
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简便运算:(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)
简便运算:(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)
简便运算:(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)
(3.14*7.42+2.58*3.14)/(3.25+3.14-3又1/4)
=[3.14*(7.42+2.58)]/(3.25-3.25+3.14) 3又1/4就是3.25
=3.14*10/3.14
=10