Предмет: Математика, автор: lolka52873

решите прошу. заранее СПАСИБО

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Ответы

Автор ответа: a12343

№3
120:2*5=300 (руб)
150:5*3=90(га)
№4
3 1/16 - 1 7/8= 3 1/16- 1 14/16= 2 17/16- 1 14\16= 1 3/16
3 1/16+ 1 3/16 = 4 4/16 = 4 1/4
№5
х:9=6 5/9
х= 6 5/9 * 9
х=59

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