6.73×26.5-2.65×65.3-2.65【简便运算】

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/02 10:02:41
6.73×26.5-2.65×65.3-2.65【简便运算】

6.73×26.5-2.65×65.3-2.65【简便运算】
6.73×26.5-2.65×65.3-2.65【简便运算】

6.73×26.5-2.65×65.3-2.65【简便运算】
6.73×26.5-2.65×65.3-2.65
=67.3×2.65-2.65×65.3-2.65
=2.65×(67.3-65.3-1)
=2.65×1
=2.65

提取公因式2.65*(67.3-65.3-1)=2.65

6.73×26.5-2.65×65.3-2.65
=2.65×(10×6.73-65.3-1)
=2.65×(67.3-65.3-1)
=2.65×1
=2.65

6.73×26.5-2.65×65.3-2.65
=2.65x(67.3-65.3-1)
=2.65x1
=2.65