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Автор - nurmahanbet09

1.33-сурет бойынша АВС үшбұрышының ауданын таб
14 см
16 см
А 9 см
1.33-сурет
ПЖ СРОЧНО даю 5-баллов

Ответ

Автор - aikazhanova03

14-9=5см кв

6-5=1см кв

9-6=3см кв

3-1=2см кв

6*5/2=15см кв

14*6/2=42см кв

14*6=84см кв

84-42-15=27см кв

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