1234.1234/1.234*123.4的简便计算
问题描述:
1234.1234/1.234*123.4的简便计算
答
1234.1234/1234*123.4=(1234+1234/10)/1234*123.4=1234/1234*123.4+1234/1234*1234=10/1234+1/1234=11/1234
1234.1234/1.234*123.4的简便计算
1234.1234/1234*123.4=(1234+1234/10)/1234*123.4=1234/1234*123.4+1234/1234*1234=10/1234+1/1234=11/1234