Предмет: Математика, автор: Азиз11

▲? ■? ●? ▲-■=355 28+▲=428 ■÷●=15

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Автор ответа: 7321Kosmos1237

0

триугольник=400, ■=45, ●=3
400-45= 355
28+400=428
45:3=15

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