Ответ:
200г-100%. 50+20=70
x-25%. 200+20=220
x=200×25/100. 220-100%
x=50. 70-x%
x=31.81=32
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Ответ:
200г-100%. 50+20=70
x-25%. 200+20=220
x=200×25/100. 220-100%
x=50. 70-x%
x=31.81=32