{5.6-4/5[0-(+6)(-3)]+(-3.2)}=
上面4/5 係分數
中一有條數計唔到,請幫忙
2007-10-29 2:55 am
回答 (2)
2007-10-29 3:03 am
✔ 最佳答案
4/5=0.8答案-12
2007-10-28 19:06:33 補充：
{5.6-0.8[0-(-18)]-3.2}5.6-0.8(-18)-3.25.6-14.4-3.2-12
2007-10-29 3:06 am
{5.6-4/5[0-(+6)(-3)]+(-3.2)}
={5.6-0.8x18-3.2}
=5.6-14.4-3.2
=-8.8-3.2
=-12
={5.6-0.8x18-3.2}
=5.6-14.4-3.2
=-8.8-3.2
=-12
收錄日期: 2021-04-13 21:01:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071028000051KK04062