简便运算:1356-748+644-1252

来源：学生作业帮助网编辑：作业帮时间：2024/05/06 08:21:13

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