55*99简便运算怎么做?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 22:33:19
![55*99简便运算怎么做?](/uploads/image/z/349927-7-7.jpg?t=55%2A99%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97%E6%80%8E%E4%B9%88%E5%81%9A%3F)
55*99简便运算怎么做?
55*99简便运算怎么做?
55*99简便运算怎么做?
55×99
=55×(100-1)
=55×100-55×1
=5500-55
=5445
55*100-55=5500-55=5445
55×99
=55×(100-1)
=55×100-55×1
=5500-55
=5445
55*99简便运算怎么做?55×99
=55×(100-1)
=55×100-55×1
=5500-55
=5445