Х*(25:15)=60
Х*5/3=60/1
X= 60/1:5/3 (60/1*3/5)
X= 180/5
X= 36
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36*5/3=180/3=60
(14*3):x=6
42:x=6
X=42:6
X=7
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14*3:7=6
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Х*(25:15)=60
Х*5/3=60/1
X= 60/1:5/3 (60/1*3/5)
X= 180/5
X= 36
-----------
36*5/3=180/3=60
(14*3):x=6
42:x=6
X=42:6
X=7
------------
14*3:7=6