简便运算:58-92+42-8
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/16 15:36:37
简便运算:58-92+42-8简便运算:58-92+42-8简便运算:58-92+42-8=(58+42)-(92+8)=100-100=058-92+42-8=58-8+42-92=92-92=0简
简便运算:58-92+42-8
简便运算:58-92+42-8
简便运算:58-92+42-8
= (58+42)-(92+8)
=100-100
=0
58-92+42-8
=58-8+42-92
=92-92
=0
简便运算:
58-92+42-8
=(58-8)-(92-42)
=50-50
=0
58-92+42-8
=(58+42)-(92+8)
=100-100
=0