問 數學1條....(急!!)
回答 (8)
2006-11-18 12:22 am
=8x (-9)-64
=-72-64
=-136
2006-11-17 16:24:13 補充：
=8x9-64=72-64=136
=-72-64
=-136
2006-11-17 16:24:13 補充：
=8x9-64=72-64=136
2006-11-17 6:20 am
2的3次方 x (-3的2次方) - 4的3之方
^~轉返做數字先~~
(2x2x2)x(-3x-3)-(4x4x4)
=8x9-64
=72-64
=8
*(-3x-3)<~係負負得正既~^^
^~轉返做數字先~~
(2x2x2)x(-3x-3)-(4x4x4)
=8x9-64
=72-64
=8
*(-3x-3)<~係負負得正既~^^
參考: 我自己計架~
2006-11-17 5:27 am
2的3次方 x (-3的2次方) - 4的3之方
=8x9-64
=8
=8x9-64
=8
2006-11-17 5:26 am
2的3次方 x (-3的2次方) - 4的3之方 =2的3次方*(9)-4的3之方
=8*9-4的3之方
=72-64
=8
=2的3次方
=8*9-4的3之方
=72-64
=8
=2的3次方
2006-11-17 5:26 am
=8x9-64
=8
=8
2006-11-17 5:25 am
= 8 x 9 - 64
= 72 - 64
= 8
中間部分的乘數負負得正
= 72 - 64
= 8
中間部分的乘數負負得正
2006-11-17 5:25 am
2的3次方 x (-3的2次方) - 4的3之方
=8x9-64
=8
=8x9-64
=8
收錄日期: 2021-04-12 20:01:03
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20061116000051KK04139