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بسط العبارة التاليــة : 
( 16 c 4 d 4 24 c 2 d 2 )÷( 4 c 2 d 2 ) MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaaeWaaeaaca aIXaGaaGOnaiaadogadaahaaWcbeqaaiaaisdaaaGccaWGKbWaaWba aSqabeaacaaI0aaaaOGaeyOeI0IaaGOmaiaaisdacaWGJbWaaWbaaS qabeaacaaIYaaaaOGaamizamaaCaaaleqabaGaaGOmaaaaaOGaayjk aiaawMcaaiabgEpa4oaabmaabaGaaGinaiaadogadaahaaWcbeqaai aaikdaaaGccaWGKbWaaWbaaSqabeaacaaIYaaaaaGccaGLOaGaayzk aaaaaa@4B0B@

4 c 4 d 4 8 MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaGinaiaado gadaahaaWcbeqaaiaaisdaaaGccaWGKbWaaWbaaSqabeaacaaI0aaa aOGaeyOeI0IaaGioaaaa@3C1D@

4 c 3 d 2 8 MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaaGinaiaado gadaahaaWcbeqaaiaaikdaaaGccaWGKbWaaWbaaSqabeaacaaIYaaa aOGaeyOeI0IaaGioaaaa@3C19@

4 c 2 d 2 6 MathType@MTEF@5@5@+= feaagGart1ev2aaatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaeyypa0JaaG inaiaadogadaahaaWcbeqaaiaaikdaaaGccaWGKbWaaWbaaSqabeaa caaIYaaaaOGaeyOeI0IaaGOnaaaa@3D1D@
            
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