3.86×0.25+6.14÷4 如何简便运算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 10:58:19
3.86×0.25+6.14÷4如何简便运算?3.86×0.25+6.14÷4如何简便运算?3.86×0.25+6.14÷4如何简便运算?3.86×0.25+6.14÷4=3.86x0.25+6.14

3.86×0.25+6.14÷4 如何简便运算?
3.86×0.25+6.14÷4 如何简便运算?

3.86×0.25+6.14÷4 如何简便运算?
3.86×0.25+6.14÷4
=3.86x0.25+6.14x0.25
=0.25x(3.86+6.14)
=0.25x10=2.5

3.86×0.25+6.14÷4
=3.86×1/4+6.14×1/4
=(3.86+6.14)×1/4
=10×1/4=2.5
祝你好运

把4改为0.25,就很容易得出结果是2.5