數學!送分!
回答 (19)
2007-08-06 2:47 am
✔ 最佳答案
1000 - [(153-25)*3 + 542]=７４元
2007-08-07 2:12 am
找回:
1000-[(153-25)x3+542]
=1000-(128x3+542)
=1000-(384+542)
=1000-926
=74(元)
希望你/你地give我做the best~! thx~!
1000-[(153-25)x3+542]
=1000-(128x3+542)
=1000-(384+542)
=1000-926
=74(元)
希望你/你地give我做the best~! thx~!
參考: 我
2007-08-06 3:48 pm
運動褲原價每條153元，運動鞋每對542元，現在運動褲每條減25元，爸爸付一張1000元買三條褲一對鞋找回多少元?
1000 - ( 135 x 3 - 25 x 3 + 542 )
=1000 - ( 415 - 75 + 542 )
=1000 -340 + 542
= 882
1000 - ( 135 x 3 - 25 x 3 + 542 )
=1000 - ( 415 - 75 + 542 )
=1000 -340 + 542
= 882
2007-08-06 3:34 am
找$74$ ${}$
2007-08-06 2:55 am
1000-(153-25)x3=74
2007-08-06 2:49 am
共要付錢=(153-25)x3+542
=$926
找回=1000-926
=$74
=$926
找回=1000-926
=$74
2007-08-06 2:48 am
1000-{542+(153-25)x3} =74元
收錄日期: 2021-04-13 13:02:10
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070805000051KK03560