简便运算:10.15-6.25-3.75+7.85
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/11 12:17:17
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简便运算:10.15-6.25-3.75+7.85
简便运算:10.15-6.25-3.75+7.85
简便运算:10.15-6.25-3.75+7.85
10.15-6.25-3.75+7.85
=10.15+7.85-(6.25+3.75)
=18-10
=8
10.15-6.25-3.75+7.85
=(10.15+7.85)-(6.25+3.75)
=18-10
=8
8