3n5_ex2a - Equations Et Calculs

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‫تماريــــن ‪ :‬ج‬

‫‪studio math‬‬

‫التمرين ‪5 :‬‬ ‫حل المعادالت التالية ‪:‬‬

‫التمرين ‪1 :‬‬ ‫أحسب‪:‬‬

‫= ‪500‬‬ ‫‪4‬‬

‫=‪6‬‬

‫= ‪50‬‬

‫‪a. 2 ‬‬

‫=‪3‬‬

‫‪b. 12 ‬‬

‫‪10 ‬‬

‫‪c. 2 ‬‬

‫‪3‬‬

‫‪d. 2 ‬‬

‫‪x² = 3‬‬

‫‪x² = 0‬‬

‫التمرين ‪2 :‬‬ ‫أحسب‪:‬‬ ‫=‬

‫‪a. 18‬‬

‫=‬ ‫‪14  3‬‬ ‫‪d. 18  6‬‬ ‫=‬ ‫‪15  5‬‬

‫التمرين ‪3 :‬‬ ‫أكتب على شكل» ‪« a + b c‬‬ ‫) حيث ‪ c‬و ‪ b‬و‪ a‬أعداد صحيحة (‬ ‫)‪5‬‬

‫التمرين ‪4 :‬‬ ‫أكتب على شكل» ‪« a + b c‬‬ ‫) حيث ‪ c‬و ‪ b‬و‪ a‬أعداد صحيحة (‬ ‫‪2‬‬

‫‪2‬‬

‫)‪5‬‬

‫‪2‬‬

‫–‪B=( 3‬‬

‫)‪D = (5 7 – 3 2‬‬

‫‪2‬‬

‫التمرين ‪6 :‬‬

‫‪3x² = 12‬‬

‫‪6 + 2x² = 5‬‬ ‫)‪5‬‬

‫‪2+‬‬

‫‪x² = 1‬‬

‫‪e.‬‬

‫‪d.‬‬

‫‪x² – 2 = 3‬‬ ‫‪x² = 3 + 2‬‬ ‫‪x² = 5‬‬ ‫‪donc x = 5‬‬ ‫‪ou x = - 5‬‬

‫‪5 – x² = -2‬‬

‫‪a.‬‬

‫‪c.‬‬

‫=‪A‬‬

‫)‪C =( 5+ 3 2)( 2+ 5) D=(3 7–7 3)( 3+2 7‬‬

‫(‬

‫‪f.‬‬

‫حل المعادالت التالية ‪:‬‬ ‫‪b.‬‬ ‫‪x² + 6 = 8‬‬

‫‪-13 – x² = 11‬‬ ‫‪2( 2 +‬‬

‫‪d.‬‬

‫‪x² = 16‬‬

‫‪c.‬‬

‫‪2‬‬ ‫‪b. 12‬‬

‫=‬ ‫‪27‬‬ ‫‪c.‬‬ ‫‪6 7‬‬

‫)‪B = 5 3(2 3 – 4 5‬‬

‫‪x² = -2‬‬

‫‪b.‬‬

‫‪x² = 5‬‬ ‫‪donc x = 5‬‬ ‫‪ou x = - 5‬‬

‫‪a.‬‬

‫‪f.‬‬

‫‪h.‬‬

‫‪5x² = 15‬‬

‫‪17 – 7x² = 3‬‬

‫‪e.‬‬

‫‪g.‬‬

‫=‪A‬‬

‫‪x² - 14 = 5x² - 50‬‬ ‫)‪C = (2 3 + 3 5‬‬

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‫‪j.‬‬

‫‪5x² + 7 = 2x² - 16‬‬

‫‪i.‬‬

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