1.234×1.234+0.766×0.766+2.468×0.766 简便方法求解

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/17 20:23:01

1.234×1.234+0.766×0.766+2.468×0.766 简便方法求解
1.234×1.234+0.766×0.766+2.468×0.766 简便方法求解

1.234×1.234+0.766×0.766+2.468×0.766 简便方法求解
1.234×1.234+0.766×0.766+2.468×0.766
= 1.234×1.234+2×1.234×0.766+0.766×0.766
=(1.234+0.766)平方
=2平方
=4