简便运算:1356-748+644-1252
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/22 17:35:06
简便运算:1356-748+644-1252简便运算:1356-748+644-1252简便运算:1356-748+644-12521356-748+644-1252=1356+644-748-125
简便运算:1356-748+644-1252
简便运算:1356-748+644-1252
简便运算:1356-748+644-1252
1356-748+644-1252
=1356+644-748-1252
=(1356+644)-(748+1252)
=2000-2000
=0