Question

5a-3a/4a 2 при a 1/300

Answer 1

Ответ:5a = 5/1 * 1/300 = 5/300 сократим 5:5 = 1  300:5 = 60 = 1/60

3a = 3/1 * 1/300 = 3/300 сократим 3:3 = 1  300:3 = 100 = 1/100

4a² = 1/300 * 1/300 = 1/90000 4/1 * 1/90000 = 4/90000 сократим до 1/22500

1/60 - 1/100 = 1/150 = 1/150 ÷ 1/22500 = 150

ответ: 5a - 3a/ 4a² = 150

Пошаговое объяснение:

Answer 2

To solve the expression 5a - 3a/4a^2 when a = 1/300, we'll substitute the value of a into the expression and simplify it.

First, let's substitute the value of a into the expression:

5(1/300) - 3(1/300) / 4(1/300)^2

Now, let's simplify it step by step:

5/300 - 3/300 / 4(1/300)^2

Combining the numerators:

(5 - 3)/300 / 4(1/300)^2

Simplifying the numerator:

2/300 / 4(1/300)^2

Simplifying the denominator:

2/300 / 4(1/90000)

Multiplying the numerator and denominator by the reciprocal of the denominator:

2/300 * 1 / (4/90000)

Simplifying:

2/300 * 90000/4

Multiplying:

(2 * 90000) / (300 * 4)

Simplifying:

180000 / 1200

Dividing:

150

Therefore, when a = 1/300, the expression 5a - 3a/4a^2 evaluates to 150.