Ответ:
1) 12000x=800*30
12000x=24000
x=24000/12000
x=2
2) 80000/y=4000-2000
80000/y=2000
y=80000/2000
y=40
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Ответ:
1) 12000x=800*30
12000x=24000
x=24000/12000
x=2
2) 80000/y=4000-2000
80000/y=2000
y=80000/2000
y=40
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