Ответ:
1- 2.24
2- 40% = 2.5 - 52:2.5=2.8
3- 27 = 30%
? = 100%
27•100:30=90
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Ответ:
1- 2.24
2- 40% = 2.5 - 52:2.5=2.8
3- 27 = 30%
? = 100%
27•100:30=90