6.5×0.5+3.5×0.5要简便运算
把0.5拿出来，然后把6.5和3.5相加，就是
6.5×0.5+3.5×0.5
=0.5x(6.5+3.5)
=0.5x10
=5
采纳下呗
6.5×0.5+3.5×0.5
=0.5x(6.5+3.5)
=0.5x10
=5
采纳下呗
温馨提示：答案为网友推荐，仅供参考
第1个回答 2017-05-23
6.5×0.5+3.5×0.5
=0.5x(6.5+3.5)
=0.5x10
=5
=0.5x(6.5+3.5)
=0.5x10
=5
