来自陈晓钢的问题
简算0.7777*10.4-0.1111*0.28
简算0.7777*10.4-0.1111*0.28
1回答
2020-06-21 01:33
简算0.7777*10.4-0.1111*0.28
简算0.7777*10.4-0.1111*0.28
=0.1111*7*1·04-0.1111*0.28=0.1111*7·28-0.1111*0.28=0.1111*(7·28-0.28)=0.1111*7=0.7777