Question

7179630:89-(490000:7+3558) -------------------------------------------- 54648:792

Answer 1

7179630:89-(490000:7+3558)=7112.
1)490000:7=70000.
2)70000+3558=73558.
3)7179630:89=80670.
4)80670-73558=7112.
«-----------------------------------------------------»
54648:792=69.
1)54648:792=69.

Answer 2

To solve the given mathematical expression:

$7179630:89 - \left(\frac{490000}{7} + 3558\right) \div \frac{54648}{792}$

Let's break it down step by step:

1. First, perform the division inside the parentheses: $\frac{490000}{7} = 70000$.
2. Add 3558 to 70000: $70000 + 3558 = 73558$.
3. Next, divide 54648 by 792: $54648 \div 792 = 69$.
4. Now subtract 73558 from $7179630:89$:

$$\frac{7179630}{89} - 73558 = 80754.2697 - 73558 \approx 7196.2697.$$

Therefore, the simplified value of the given expression is approximately $7196.2697$.