Автор - cranberry0

Найдите значения выражений( с решением

Ответ

Автор - kekchikBoom5

3) 6 2/5 * 1 9/16 - (2 1/4)^2 = 32/5 * 25/16 - (9/4)^2 = 10/1 - 81/16 = -41/8 = -5,125

4) (2 7/10 - 1 8/15)^2 * 9/14 = (27/10 - 23/15)^2 * 9/14 =  49/36 * 9/14 = 7/8 = 0,875

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