11.07.2015 Views

Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

Leabhar Iomlán - Cogg

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Cleachtadh 2.71. Simpligh gach ceann díobh seo:(i) √ __8 (ii) √ ___27 (iii) √ ___45 (iv) √ ____200 (v) 3 √ ___182. Scríobh gach ceann díobh seo a leanas san fhoirm is simplí:(i) 2 √ __2 6 √ __2 3 √ __2 (ii) 2 √ __2 √ ___18 (iii) √ ___32 √ ___18(iv) √ ___27 √ ___48 2 √ __3 (v) √ __8 √ ____200 √ ___18 (vi) 7 √ __5 2 √ ___20 √ ___803. I gcás gach ceann de na líonta seo, déan an t-ainmneoir a chóimheas.(i) ___ 1√ (ii) ___ 23√ (iii) ____ 285 √ (iv) ____ 202√ 50(v)_____ 8√ 1284. Simpligh gach ceann díobh seo:(i) √ __8 √ ___12 (ii) 3 √ __2 5 √ __2 (iii) √ __2 ( √ __6 3 √ __2 )(iv) (5 √ __3 )(5 √ __3 ) (v) ( √ __7 √ __5 )( √ __7 √ __5 ) (vi) (a 2 √ __b )(a 2 √ __b )5. Tríd an ainmneoir a chóimheas, scríobh gach ceann díobh seo a leanas san fhoirm is simplí.(i) _______ 4√ (ii) _______ 122 5 13 √ √ __(iii) _______ 522 √ (iv) ________ 15√ 8 √ 26. Simpligh gach ceann díobh seo:(i) _______ 1√ 2 1 _______ 1√ 2 1(ii)_______ 12 √ _______ 13 2 √ 37. Simpligh(i) (2 √ __3 √ __5 )(2 √ __3 √ __5 ) (ii)_______ 42 √ _______ 25 2 √ 58. Bíodh X 4 √ _________ 3√ agus Y 4 √ _________ 32√ . Faigh, san fhoirm is simplí,2(i) X Y (ii) X Y (iii) XY (iv)X__Y9. Taispeáin go bhfuil (2 √ __5 3 √ __2 )(2 √ __5 3 √ __2 ) 2.10. Simpligh_______ 99 √ .911. Simpligh (2 √ __2 )(3 √ __5 )( √ _________________________ 5 2)( √ 5 1)(1 √ .2 )70

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