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：2024/12/22 23:22:47
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