Номер109 умоляю решите

Question

Номер109 умоляю решите

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Answer 1

1) 405 * (82+18) = 405 * 100 = 40500
2) (497 - 496) * 38 = 1 * 38 = 38
3) 344 * (92+208) = 344 * 100 = 34400
4) (48 - 35 + 87) * 23 = 100 * 23 = 2300