Mathématiques

Question

c=1/4+5/6/1/2-1/3=
d=1-1/3+1/4/1+1/3-1/4=
e=2/9+1/9*4/2/3-1/6+4/9=
f=(1-1/3)*7/1-1/3*7=
g=5/9+2/3*7/4/5/9-11*3/44=
h=3*1-2/7*3+1/3/1-1/6*3-3/7=

1 Réponse

  • c=1/4+5/6/1/2-1/3
    =1/4+5/6*2-1/3
    =1/4+10/6-1/3
    =3/12+20/12-4/12
    =19/12

    d=1-1/3+1/4/1+1/3-1/4
    =1-1/3+1/4+1/3-1/4
    =1

    e=2/9+1/9*4/2/3-1/6+4/9
    =2/9+1/9*2/3-1/6+4/9
    =2/9+2/27-1/6+4/9
    =6/27+2/27+12/27-1/6
    =20/27-1/6
    =120/162-27/162
    =93/162
    =31/52

    f=(1-1/3)*7/1-1/3*7
    =(3/3-1/3)*7-7/3
    =2/3*7-7/3
    =14/3-7/3
    =7/3

    g=5/9+2/3*7/4/5/9-11*3/44
    =5/9+14/12*9/5-33/44
    =5/9+126/60-33/44
    =5/9+21/10-3/4
    =200/360+956/360-270/360
    =886/360
    =442/180
    =221/90

    h=3*1-2/7*3+1/3/1-1/6*3-3/7
    =3-6/7+1/3-3/6-3/7
    =3-9/7+2/6-3/6
    =3-9/7-1/6
    =126/42-54/42-7/42
    =65/42

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