作业帮19.94+99.7×99.8 help me
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/10 19:20:16
19.94+99.7×99.8 help me
19.94+99.7×99.8 help me
19.94+99.7×99.8 help me
=99.7×0.2+99.7×99.8
=99.7×(0.2+99.8)
=99.7×100
=9970
19.94+99.7×99.8
=19.94+99.7×(100-0.2)
=19.94+9970-19.94
= 9970