Question

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Dau coroana!!!!!!​

Answer 1

Răspuns:

a)x+3=25/8

x=(25-3×8)/8=1/8

b)x-3/4=4/5

x=(4×4+5×3)20

x=31/20

c)7/9+x=88/9

x=(88-7)/9=81/9

x=9

d)x+7/11=1

x=(11-7)/11

x=4/11

e)36/49+x=1

-x=(36-49)/49

x=13/49