Question

(7 1/2×2 1/3 - 12 1/4: 7/9):6 +3 1/8+ 5 2/7=​

Answer 1

Ответ:

$8 \frac{59}{84}$

Answer 2

To solve this expression, we'll follow the order of operations (PEMDAS: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction).

1. Calculate inside the parentheses:

   • $7 \frac{1}{2} \times 2 \frac{1}{3} = 7.5 \times 2.33 \approx 17.55$
   • $12 \frac{1}{4} \div \frac{7}{9} = 12.25 \div \frac{7}{9} \approx 16.71$

2. Substitute back: $17.55 - 16.71 : 6 + 3 \frac{1}{8} + 5 \frac{2}{7}$

3. Perform division: $0.84 : 6 = 0.14$

4. Substitute back: $17.55 - 0.14 + 3 \frac{1}{8} + 5 \frac{2}{7}$

5. Calculate mixed fractions:

   • $3 \frac{1}{8} = 3.125$
   • $5 \frac{2}{7} = 5.2857$

6. Substitute back: $17.55 - 0.14 + 3.125 + 5.2857$

7. Add and subtract: $17.41 + 8.41 \approx 25.86$

So, $7 \frac{1}{2} \times 2 \frac{1}{3} - 12 \frac{1}{4} \div \frac{7}{9} : 6 + 3 \frac{1}{8} + 5 \frac{2}{7} \approx 25.86$.