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០៩២ ៧៧៤៤៤០ ឆន ំសិក ២០១៦-២០១៧<br />
<br />
េយ k និង l េផទងផទ ត់ c ka lb<br />
<br />
េនះសមមូលនឹង 8,17k2,3 l1, 4 2 kl,3k<br />
4l<br />
េយើងទញបន<br />
<br />
<br />
2k<br />
l 8 1<br />
<br />
3k4l<br />
17 2<br />
េយើងបន 5l<br />
10 នំឱយ l 2<br />
យក 3 1 2 2<br />
យក l 2 ជំនួសចូលកន ុង <br />
ដូចេនះ k 3 និថ l 2 ។<br />
<br />
២៧. ក). រក a b<br />
<br />
េយើងមន <br />
1 េយើងបន 2k<br />
6 នំឱយ k 3<br />
<br />
ab ab ab a 2ab b<br />
2 2<br />
2<br />
នំឱយ<br />
<br />
ab<br />
<br />
<br />
ab a b<br />
2 2 2<br />
2<br />
<br />
េយ a 3, b 2<br />
<br />
និង a<br />
b 1<br />
2<br />
2 2<br />
1 3 2 134<br />
េយើងបន ab 3<br />
2 2<br />
<br />
ដូចេនះ ab<br />
3<br />
។<br />
េរៀបេរៀងេយ៖ ЯĊŲ Ю₤₣lН₣ Page 69