5.28×99的简便计算
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/03 09:39:18
5.28×99的简便计算
5.28×99的简便计算
5.28×99的简便计算
5.28×99
=5.28×(100-1)
=5.28×100-5.28
=528-5.28
522.92
5.28x99
=5.28x(100-1)
=5.28x100-5.28x1
=528-5.28
=522.72
5.28×99
=5.28×(100-1)
=5.28×100-5.28×1
=528-5.28
=522.72