简便计算6.3/1.4
来源:学生作业帮助网 编辑:作业帮 时间:2024/11/25 20:21:41
x){ɾ/-|nMR>Vq;:ٶz`H" =S<;6`[s-r
e jkoK'#l̀9m ]4O
简便计算6.3/1.4
简便计算6.3/1.4
简便计算6.3/1.4
6.3/1.4
=(7x0.9)/(7x0.2)
=0.9/0.2
=4.5
6.3/1.4 =7*0.9/(7*0.2)=0.9/0.2=9/2=4.5
6.3/1.4 =63/14=9*7/2*7=9/2=4.5