Автор - polinkapopova0p5wqdj

1 4/9 х 1 5/11 2 1/12 x 4/15 ​

Ответ

Автор - NONAME130606

1.14/9*15/11=14*15/9*11=210/99=70/33

2.1/12*4/15=1*4/12*15=4/180=1/45

3.70/33*1/45=70*1/33*45=70/1485=14/297

Ответ:14/297

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