January 2021 1 112 Report
Vous pouvez m aidez svp en deduire par un calcul detaillé (sans calculatrice et sans poser) 45²-45x 35 puis 105²-105x95
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Calculer les expressions ci-dessous en detailllant les etapes de calculs. A=(-2,5)x(-6,7)x4x(-2) B= -13+5x (-3) C=(8-12)x(-5+2)
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A=5x²-3x+7 pour x=-2 B= -3y² -5y-8 pour y=-3
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Jerry got all wrong! Help him correct his mistakes.. Be careful with the intonation. example Shakkespeare didn't write peter pan . he wrote hamlet! 1) shakespere wrote peter pan. 2)Napoleon defeated Nelson at Trafalgar. 3)Churchilllived in the ninteenth century. 4)Elvis Presley died fyfty yrs ago. 5)Joan of Arc fought against the Germain . 6)Christopher Columbus flew to America . 7)Eiffel bult the empire state bulding . 8)XXXII began in 1914 est reperé les verbes irreuliés
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jerry got all wrong! Help himcerrect his mistakes..Be caefulwith the intonation. example Shakkespeare didn't write peter pan . he wrote hamlet! 1) shakespere wrote peter pan. 2)Napoleon defeated Nelson at Trafalgar. 3)Churchilllived in the ninteenth century. 4)Elvis Presley died fyfty yrs ago. 5)Joan of Arc fought against the Germain . 6)Christopher Columbus flew to America . 7)Eiffel bult the empire state bulding . 8)XXXII began in 1914 est reperé les verbes irreuliés
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Complete les question en utilisant l auxilaire qui comvient :did, was ou were. 1) When....George Washinton become President of the united States? 2)How old.....James Dean when he died? 3) who..... the firs man on the moon ? 4)How long....Queen Victoria reingn? 5)When.....British women get the right to vote ? 6).....life easier or harder than it is now? 7)Whats sort of jobs .... Chaplin do when he was young? 8) where....he born? 9)...... Chaplin die in America? 10) .... there many thecnological invention in the 19 th century ?
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pourriez vous maidez svp dm pour lundi merci En montagne lorsque l on crie face aux parois d une falaise ce crie nous revient (l écho). le son est une onde qui se propage dans l air a la vitesse de 1224km/h . Les ondes sonores des cris se réfléchissent sur la parois de la falaise pour nous envoyer le son son émis . Anouk veut tester sa voix et hurle face a la falaise . L echo lui parvient 7s plus tard a quelle distance de la falaise Anouk se trouve elle? • •
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Vous pouvez m aidez svp resoudre l equation suivante 13x-8=6x+3 meci
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Vous pouvez m aidez a reduire l expression merci A=(x+5)²- (x+5)²- (x+5) (x-5)
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Recherche sur le chauffage -methode existante -energie....... -evolution
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1) calculer lexpression A=1+2+3+4+5 2)calculer lexpressionA=1+2+3+4+5+6+7+8+9+10 3)calculer l expression A=1+2+3+4+5+6+7+8+9+10+11+12+13+14+15+16+17+18+19+20 4)lexpression S= n²+n /2permet de calculer la somme des entiers de 1 a n a) en utilisent cette formule , retouver d une autre maniere les resultats des question 1),2),3) detailler les calcul b)sans justifier grace a la calculatrice completé le tableau ci dessous somme de1a8 ;somme de 1 a 50 ;somme de 1a 100 ;somme de1a500;sommede1a3000;1somme de 1 a 20000 resultat
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