Реши уравнение и проверьнайденный корень уравнения
х:(910-890)=60
(560-у):8=30
(900-w)х60=5400
3500:50-z=7
х:(910-890)=60
(560-у):8=30
(900-w)х60=5400
3500:50-z=7
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х:20=60
х=60*20
х=120
(560-y):8=30
560-y=30*8
560-y=240
y=560-240
y=320
(900-w)*60=5400
900-w=5400 :60
900-w=90
w=900-90
w=810
3500 :50-z=7
70-z=7
z=70-7
z=63