25.8-(8.3+6.75)怎样简便运算

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/24 00:13:06
25.8-(8.3+6.75)怎样简便运算

25.8-(8.3+6.75)怎样简便运算
25.8-(8.3+6.75)怎样简便运算

25.8-(8.3+6.75)怎样简便运算
25.8-(8.3+6.75)怎样简便运算
= 25.8-8.3-6.75
=17.5 - 6.75
= 10 .75

25.8-(8.3+6.75)
=25+0.8-8-0.3-6-0.75
=(25-8-6)+(0.8-0.3-0.7-0.05)
=11-0.25
=10.75

25.8-(8.3+6.75)
=25.8-8.3-6.75
=17.3-6.75
=10.55