解不等式7x-3(4+5x0)＜6.........

2007-03-14 2:40 am

解不等式7x-3(4+5x0)＜6

需要列式!!

回答 (7)

2007-03-14 2:42 am

✔ 最佳答案

7x-3(4+5x0)＜6
=7x-3x4＜6
=7x-12＜6
=-84＜6

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2007-03-14 5:24 am

7x-3(4+5x0)<6
7x-3(9x0)<6
7x-3(0)<6
7x<6
x<6/7

2007-03-13 21:26:25 補充：
7x-3(4+5x0)＜67x-3(4+0)<67x-12<67x<6+127X<18x<18/7 呢個先係

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2007-03-14 3:42 am

7x-3(4+5x0)＜6
7x-3*4＜6
7x-12＜6
7x＜18
x＜2 4/7

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2007-03-14 2:44 am

7x-3(4+5x0)＜6
7x-3(4+0)<6
7x-12<6
7x<6+12
7X<18
x<18/7

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2007-03-14 2:43 am

7X-3(4+5x0)<6
7X-12<6
7X<18
X<18/7

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2007-03-14 2:43 am

7x-3(4+5X0)<6
7x-3(4)<6
7X-12<6
7x<18
x<18/7

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2007-03-14 2:43 am

7x-3(4+5x0)＜6

7x-3*4＜6

7x-12＜6

7x<18

x<18/7

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