7.48*369369-3.69*748748________________________________.

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 03:27:00
7.48*369369-3.69*748748________________________________.

7.48*369369-3.69*748748________________________________.
7.48*369369-3.69*748748________________________________.

7.48*369369-3.69*748748________________________________.
7.48*369369-3.69*748748
= 748 x 3693.69 - 3.69*748000 - 3.69 x 748
= 748 x ( 3693.69 - 3690 -3.69)
= 748 x 0
= 0

原式=7.48*3.69*1001-3.69*7.48*1001=0