數學(fast,easy)

2011-04-02 11:07 pm

1. 75-g=20(步抓) think!! 急!!

回答 (4)

2011-04-02 11:21 pm

✔ 最佳答案

75-g = 20
75-g+g = 20 + g
75 - 20 = 20 + g -20
55 = g
g = 55

參考: hope i can help you

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2011-04-02 11:34 pm

75-g = 20
75-g+g = 20 + g
75 - 20 = 20 + g -20
55 = g
g = 55

加油!!唔明可以問我

2011-04-02 20:32:05 補充：
check :

75 - 55

=20

參考: ME

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2011-04-02 11:29 pm

1.75-g=20
g=75-20
g=55

參考: 自己

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2011-04-02 11:22 pm

1. 75 - g = 20
g = 75 - 20
g = 55

check :
75 - 55
=20

參考: 自己

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