七上(-109/26)-(-431/104)-(+190/13)-(+163/52)简便运算

来源:学生作业帮助网 编辑:六六作业网 时间:2024/07/08 20:48:53
七上(-109/26)-(-431/104)-(+190/13)-(+163/52)简便运算七上(-109/26)-(-431/104)-(+190/13)-(+163/52)简便运算七上(-109/

七上(-109/26)-(-431/104)-(+190/13)-(+163/52)简便运算
七上(-109/26)-(-431/104)-(+190/13)-(+163/52)简便运算

七上(-109/26)-(-431/104)-(+190/13)-(+163/52)简便运算
原式=431/104-109/26-190/13-163/52
全部乘104

431-436-1520-326=-1821
再除以104

-1821/104