5題好容易既數學....................................................

2008-05-02 5:12 am
1.) 2450 x 0.8 =?

2.) 144 x 0.10 =?

3.) 454 x 0.35 =?

4.) 620 x 0.35 =?

5.) 2488 x 0.75 x 0.75 =?

回答 (7)

2008-05-02 5:15 am
✔ 最佳答案
1. 1960

2. 14.4

3. 158.9

4. 217

5. 1399.5
2008-05-03 11:09 pm
1. 1960
2. 14.4
3. 158.9
4. 217
5. 1399.5
2008-05-03 9:08 pm
1.) 2450 x 0.8
=1960

2.) 144 x 0.10
=14.4

3.) 454 x 0.35
=158.9

4.) 620 x 0.35
=217

5.) 2488 x 0.75 x 0.75
=1866 x 0.75
=1399.5
參考: calculator (casio fx-3650P)
2008-05-03 7:33 pm
1.) 1960
2.) 144
3.) 158.9
4.) 217
5.) 1399.5
參考: 我自己~~
2008-05-02 4:15 pm
1.) 2450 x 0.8 =1960

2.) 144 x 0.10 =14.40

3.) 454 x 0.35 =158.90

4.) 620 x 0.35 =217

5.) 2488 x 0.75 x 0.75 =1399.50
2008-05-02 5:25 am
1960
14.4
158.9
217
1399.5
參考: 計數機
2008-05-02 5:19 am
1... = 1960
2... =14.4
3... =158.9
4... =217
5... =1399.5


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