0.8*[(10-4.34)*0.25]简便计算

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/11 02:51:38

0.8*[(10-4.34)*0.25]简便计算
0.8*[(10-4.34)*0.25]简便计算

0.8*[(10-4.34)*0.25]简便计算
0.8*[(10-4.34)*0.25]
= [0.8*0.25]*(10-4.34)
= 0.2*5.66
= 1.132

0.8*[(10-4.34)*0.25]
= 0.8*0.25*(10-4.34)
=(4/5)*(1/4)*5.66
=5.66/5
=1.132

0.8*[(10-4.34)*0.25]=0.8*0.25*(10-4.34)=0.2*5.64=0.282