Question

15×(1/2)^2-4×(2/1)^2 /-дробь ^2-квадрат​

Answer 1

Ответ: - 1/4

Объяснение:

15×(1/2)^2-4×(2/1)^2 =

1) 15×(1/2)² = 15×1/14 = 15/4 = 3 3/4

(1/2)²= 1/4

2) 4×(2/1)²= 4×4 =16

(2/1)²= 4/1 =4

3) 3 3/4 - 4 = - 1/4