Maths

2008-01-16 7:23 pm
21x4=???

回答 (12)

2008-01-16 7:30 pm
✔ 最佳答案
21x4
=84

希望幫到你
參考: me
2008-01-29 4:50 pm
84!!!!!!!!!!!!!!
參考: maths books
2008-01-25 6:37 am
21*4=84
or
(20*4)+(1*4)
=80+4
=84
or
21+21+21+21
=42+21+21
=63+21
=84
I hope I can help.
參考: Use a calculator.
2008-01-25 3:08 am
21x4=84
參考: me
2008-01-25 1:51 am
21x4=84

2008-04-19 21:44:33 補充:
  4 3 1 3 4 2 1 4 3 4
忘 了 有 多 久 再 沒 聽 到 你
2008-01-20 4:36 am
21 x 4
= 21 + 21 + 21 +21
= 84
參考: me
2008-01-17 5:08 am
Q.21x4=?
A.21x4=84
2008-01-16 10:54 pm
84 !!!!!!!!!
2008-01-16 7:33 pm
21x4=84
參考: 21x4=(20+1)x4=20x4+1x4=80+4=84
2008-01-16 7:29 pm
21x4= 84
參考: 自己


收錄日期: 2021-04-13 14:57:49
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