3.86×0.25+6.14÷4 如何简便运算?
问题描述：
3.86×0.25+6.14÷4 如何简便运算?
答
把4改为0.25，就很容易得出结果是2.5
答
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
答
3.86×0.25+6.14÷4
=3.86x0.25+6.14x0.25
=0.25x(3.86+6.14)
=0.25x10=2.5