31415乘七点儿八等于多少等于489.84望采纳2,314除以39要列式要列式314÷39=8.05~回答完毕~~(^o^)/~祝学习进步~~~3,314乘以39简便方法314×39=314×(40-1)314×40-314=12560-314=122464,23x40314x45等于多少2/3x+40=4/5(314-x)解:2/3x+40=1256/5⑷/5x2/3x+4/5x=1256/5⑷022/15x=1056/5x=1445,314除以41约等于多少314÷41≈8~回答完毕~~结果仅供...
更新时间:2023-01-19标签: 314314多少31415 全文阅读