Question

помогите пожалуйста

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Answer 1

((80.25+79.75) × (80.25-79.75)) / (0.4+1.6)²=

(160 ×1/2) /4 =80÷4 =20

Answer 2

Ответ:

20

Объяснение:

$\frac{(80.25 + 79.75) \times (80.25 - 79.75)}{(0.4 + 1.6) {}^{2} } = \frac{160 \times 0.5}{2 {}^{2} } = \frac{80}{4} = 20$