Question

Надо выполнить умножение: 1) 3-a/b+2 * b+2/3+a 2) x-y/5z : x-y/10z^2 3) 3a+6b/a-1 * a-1/a+2b Это дроби Решите пожалуйста!!!

Answer 1

$1) \frac{3-a}{b+2} * \frac{b+2}{3+a} = \frac{3-a}{3+a}$
$2) \frac{x-y}{5z} / \frac{x-y}{10z^{2} } = \frac{z^{2} }{z} = z$
$3) \frac{3a+6b}{a-1}* \frac{a-1}{a+2b} = \frac{3(a+2b)}{a+2b} = 3$

Answer 2

Multiplying Fractions

To solve the given multiplication problems involving fractions, let's take them one by one.

1) Multiplying 3-a/b + 2 * b + 2/3 + a + 2: To multiply the given expression, we can first simplify each term and then perform the multiplication.

The expression can be rewritten as: (3 - a/b) + 2 * (b + 2/3) + (a + 2)

Now, let's calculate each term separately and then perform the multiplication.

- First term: 3 - a/b - Second term: 2 * (b + 2/3) - Third term: a + 2

After simplifying each term, we can perform the multiplication.

2) Multiplying x-y/5z : x-y/10z^2: To multiply the given expression, we can use the rules of multiplying fractions.

The expression can be rewritten as: (x - y)/(5z) * 1/(x - y)/(10z^2)

We can simplify the expression and then perform the multiplication.

3) Multiplying 3a + 6b/a-1 * a-1/a+2b: To multiply the given expression, we can first simplify each term and then perform the multiplication.

The expression can be rewritten as: (3a + 6b)/(a - 1) * (a - 1)/(a + 2b)

We can simplify the expression and then perform the multiplication.

Let's solve each of these step by step.