Question

Решите плиз, оч надо​

Answer 1

2. 1.

$- 4 - 73 \\ - 77$

2.

$- 43 + 14 \\ - 29$

3.

$- (32 \times 4) \\ - 128$

4.

$69 \div 3 \\ 23$

3. 1.

$17.27$

2.

$3.46$

3.

$1.575$

4.

$3.6$

6.

$4x + 3x = 15 - 1 \\ 7x = 14 \\ x = 2$

7.

$\frac{513}{100} \times 4 - \frac{36}{25} \\ \frac{513}{25} - \frac{36}{25} \\ \frac{477}{25} = 19 \frac{2}{25}$