2.5×4.4可以这样简单的计算:2.5×4×0.4._.

问题描述:

2.5×4.4可以这样简单的计算:2.5×4×0.4.______.

方法一:
2.5×4.4,
=2.5×(4+0.4),
=2.5×4+2.5×0.4,
=10+1,
=11;
方法二:
2.5×4.4,
=(2.5×4)×1.1,
=10×1.1,
=11.
故答案为:错误.