Réponses

2012-09-13T13:48:09+02:00

9/2+8/3+7/4+6/5= (270+160+105+72)/60=607/60

9/2-8/3+7/4-6/5= (270-160+105-72)/60=143/60

9/2+8/3x7/4-6/5= 9/2+56/12-6/5=(270+280-72)/60=478/60=239/30

9/2x8/3-7/4+6/5=72/6-7/4+6/5=(720-105+72)/60=687/60=229/60

9/2x8/3+7/4x6/5=72/6+42/20=(720+126)/60=846/60=423/30=141/10

9/2-8/3:7/4+6/5=9/2-32/21+6/5=(945-320+252)/210=877/210

9/2:8/3x7/4:6/5=27/16*7/4:6/5=189/64:6/5=945/384=315/128=

9/2+8/3:7/4x6/5=9/2+32/21*6/5=9/2+192/105=(945+384)/210=1329/210=44173/70