{"0":{"question":"<table cellspacing=\"1\" cellpadding=\"1\" border=\"1\" style=\"width:265px\"><caption>tableau de proportionnalit&eacute;</caption><tbody><tr><td style=\"width:111px\">13</td><td style=\"width:140px\">8</td></tr><tr><td style=\"width:111px\">5</td><td style=\"width:140px\">?</td></tr></tbody></table><h3>Quel calcul faut-il effectuer pour d&eacute;terminer la quatri&egrave;me proportionnelle ?</h3><ol><li><span class=\"math-tex\">\\dfrac{5\\times8}{13}</span></li><li><span class=\"math-tex\">\\dfrac{13\\times8}{5}</span></li><li><span class=\"math-tex\">\\dfrac{13\\times5}{8}</span></li><li><span class=\"math-tex\">\\dfrac{13+8}{5}</span></li></ol>","reponse":"A"},"1":{"question":"<table cellspacing=\"1\" cellpadding=\"1\" border=\"1\" style=\"width:265px\"><caption>tableau de proportionnalit&eacute;</caption><tbody><tr><td style=\"width:111px\">7</td><td style=\"width:140px\">&nbsp;</td></tr><tr><td style=\"width:111px\">22</td><td style=\"width:140px\">4</td></tr></tbody></table><h3>Quel calcul faut-il effectuer pour d&eacute;terminer la quatri&egrave;me proportionnelle ?</h3><ol><li><span class=\"math-tex\">\\dfrac{7\\times22}{4}</span></li><li><span class=\"math-tex\">\\dfrac{7+22}{4}</span></li><li><span class=\"math-tex\">\\dfrac{7\\times4}{22}</span></li><li><span class=\"math-tex\">\\dfrac{4\\times22}{7}</span></li></ol>","reponse":"C"},"2":{"question":"<table cellspacing=\"1\" cellpadding=\"1\" border=\"1\" style=\"width:265px\"><caption>tableau de proportionnalit&eacute;</caption><tbody><tr><td style=\"width:111px\">0,1</td><td style=\"width:140px\">3,7</td></tr><tr><td style=\"width:111px\">&nbsp;</td><td style=\"width:140px\">4</td></tr></tbody></table><h3>Quel calcul faut-il effectuer pour d&eacute;terminer la quatri&egrave;me proportionnelle ?</h3><ol><li><span class=\"math-tex\">\\dfrac{4\\times3,7}{0,1}</span></li><li><span class=\"math-tex\">\\dfrac{4\\times0,1}{3,7}</span></li><li><span class=\"math-tex\">\\dfrac{4+0,1}{3,7}</span></li><li><span class=\"math-tex\">\\dfrac{4-0,1}{3,7}</span></li></ol>","reponse":"B"},"3":{"question":"<table cellspacing=\"1\" cellpadding=\"1\" border=\"1\" style=\"width:265px\"><caption>tableau de proportionnalit&eacute;</caption><tbody><tr><td style=\"width:111px\">&nbsp;</td><td style=\"width:140px\">45</td></tr><tr><td style=\"width:111px\">387</td><td style=\"width:140px\">78</td></tr></tbody></table><h3>Quel calcul faut-il effectuer pour d&eacute;terminer la quatri&egrave;me proportionnelle ?</h3><ol><li><span class=\"math-tex\">\\dfrac{78\\times387}{45}</span></li><li><span class=\"math-tex\">\\dfrac{78\\times45}{387}</span></li><li><span class=\"math-tex\">\\dfrac{78+387}{45}</span></li><li><span class=\"math-tex\">\\dfrac{387\\times45}{78}</span></li></ol>","reponse":"D"}}