1, 2+6+4+3+6+6+0.5+4.8=___
2, 3+Y+7+2+Y=20 Y=?
加法!!!
2007-10-29 1:00 am
回答 (4)
2007-10-30 3:08 am
✔ 最佳答案
1)2+6+4+3+6+6+0.5+4.8=27+5.3
=32.3
2)3+Y+7+2+Y=20
Y+Y+3+7+2=20
2Y+12=20
2Y=20-12
2Y=8
Y=4
2007-10-29 1:09 am
1 32.5
2 12+2Y=20
2Y=8
Y=4
2 12+2Y=20
2Y=8
Y=4
2007-10-29 1:05 am
1. 32.3
2.
2Y=20-12
2Y=8
Y =4
2.
2Y=20-12
2Y=8
Y =4
收錄日期: 2021-04-13 14:13:47
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20071028000051KK03258