Răspuns :
(100-x:75)×35=876-1
(100-x:75)×35=875
100-x:75=875:35
100-x:75=25
x:75=100-25
x:75=75
x=75×75
x=5625
(100-x:75)×35=875
100-x:75=875:35
100-x:75=25
x:75=100-25
x:75=75
x=75×75
x=5625
(100-x:75)x35+1=876
(100-x:75)x35=876-1
(100-x:75)x35=875
100-x:75=875:35
100-x:75=25
x:75=100-25
x:75=75
x=75x75
x=5625
(100-x:75)x35=876-1
(100-x:75)x35=875
100-x:75=875:35
100-x:75=25
x:75=100-25
x:75=75
x=75x75
x=5625