MATHS........

🎓 學業台小學及中學教育

用戶177356

2007-10-12 6:05 am

1.246.5+68.3X2.5
=
2.45.91-22.35X2
=
3.(50-11.87)X22.5
=

回答 (11)

heyhi

2007-10-12 6:12 am

✔ 最佳答案

246.5+68.3X2.5
= 246.5 + 170.75
= 417.25

45.91-22.35X2
= 45.91- 44.7
= 1.21

(50-11.87)X22.5
= 38.13 X22.5
= 857.925

👍 0 👎 0

不能說的秘密

2007-10-12 6:50 am

1.246.5+68.3X2.5
=246.5+170.75
=417.25

2.45.91-22.35X2
=45.91-44.7
=-1.21

3.(50-11.87)X22.5
= 38.13X22.5
=857.925

👍 0 👎 0

cheungka man

2007-10-12 6:18 am

1.246.5+68.3X2.5
=246.5+170.75
=417.25

2.45.91-22.35X2
=45.91-44.7
=-1.21

3.(50-11.87)X22.5
= 38.13X22.5
=857.925

希望可以做到最佳,,xd

參考: 自己 + 老師

👍 0 👎 0

[匿名]

2007-10-12 6:16 am

1) 246.5+170.75
=417.25

2) 45.91-44.7
=0.21

3) 38.13x22.5
=857.925

................ok...............

2007-10-11 22:19:12 補充：
不好意思,第2題答案是1.21才是。sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!sorry!不好意思!

👍 0 👎 0