math......

👨🏻‍🏫 學術台數學

2007-11-08 12:51 am

What is.......
12x10+30=???

回答 (8)

2007-11-08 12:53 am

✔ 最佳答案

12x10+30=? ( 150 )

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2007-11-08 2:25 am

12x10+30
=120+30
=150
用先乘除後加減的方法就ok

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2007-11-08 1:56 am

12x10+30=150

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2007-11-08 1:11 am

1) 12x10=120
2) 120+30=150

12x10+30=150#

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2007-11-08 1:04 am

12 x 10 + 30 = 150

記着 : (先乘除, 後加减) 呢個不變方程式

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2007-11-08 1:03 am

12x10+30=120+30
120+30=150

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2007-11-08 1:01 am

12x10+30=120+30=150

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2007-11-08 1:00 am

12x10+30=150

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收錄日期: 2021-04-13 21:23:11
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