โจทย์เรื่องการแก้ระบบสมการ

…..แบบฝึกหัดเรื่องการแก้ระบบสมการเชิงเส้นสองตัวแปรโดยวิธีทำให้สัมประสิทธิ์ของตัวแปรเท่ากัน

……….จงแก้ระบบสมการต่อไปนี้
……1. 6x – 3y = 18
………6x + 3y = –12
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…..2. 3x + 2y = 22
………9x – 8y = – 4
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…...3. 0.2x + 0.3y = 0.1
……….0.03x – 0.01y = 0.07
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…….4. x + y = 1
………..2x + 3y = 17
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……5. x + y = 14
…………– y = 14
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About krutubtim

teacher

Posted on 27 สิงหาคม, 2016, in บทที่ 3 ระบบสมการม.3. Bookmark the permalink. ใส่ความเห็น.

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