122*92+247*8的简便运算
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/19 00:01:26
122*92+247*8的简便运算
![122*92+247*8的简便运算](/uploads/image/z/16830277-61-7.jpg?t=122%2A92%2B247%2A8%E7%9A%84%E7%AE%80%E4%BE%BF%E8%BF%90%E7%AE%97)
122*92+247*8
=122*92+(122+125)*8
=122*92+122*8+125*8
=122*(92+8)+1000
=122*100+1000
=12200+1000
=13200
=122*92+(122+125)*8
=122*92+122*8+125*8
=122*(92+8)+1000
=122*100+1000
=12200+1000
=13200