High School

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Simplify the following calculations:

1. \( 80000 - (50000 - 30000) \)
2. \( 80000 - (50000 + 30000) \)
3. \( 3000 \times 2 \div 3 \)
4. \( 4900 \div 7 \times 3 \)
5. \( 4000 \div 8 \times 2 \)
6. \( 5000 \times 2 \div 5 \)
7. \( 8000 \div 2 + 3000 \)
8. \( 70000 + 20000 - 60000 \)
9. \( 90000 - 50000 + 10000 \)
10. \( 9000 - 2000 \times 2 \)
11. \( 2000 \times 3 + 4000 \)
12. \( 8000 \div 4 \div 2 \)
13. \( 8000 - 2000 \div 2 \)
14. \( 4000 + 2000 \times 2 \)

Answer :

Let's break down the mathematical operations provided in the sequence:

  1. 80000 - (50000 - 30000):

    • You first need to solve the expression inside the parentheses:
      [tex]50000 - 30000 = 20000[/tex]
    • Then subtract from 80000:
      [tex]80000 - 20000 = 60000[/tex]

  2. 80000 - (50000 + 30000):

    • Inside the parentheses, add first:
      [tex]50000 + 30000 = 80000[/tex]
    • Subtract from 80000:
      [tex]80000 - 80000 = 0[/tex]

  3. 3000 \times 2 : 3:

    • Multiply first:
      [tex]3000 \times 2 = 6000[/tex]
    • Then divide by 3:
      [tex]6000 \/ 3 = 2000[/tex]

  4. 4900 : 7 \times 3:

    • First, divide:
      [tex]4900 \/ 7 = 700[/tex]
    • Then multiply:
      [tex]700 \times 3 = 2100[/tex]

  5. 4000 : 8 \times 2:

    • Divide first:
      [tex]4000 \/ 8 = 500[/tex]
    • Then multiply:
      [tex]500 \times 2 = 1000[/tex]

  6. 5000 \times 2 : 5:

    • First multiply:
      [tex]5000 \times 2 = 10000[/tex]
    • Then divide by 5:
      [tex]10000 \/ 5 = 2000[/tex]

  7. 8000 : 2 + 3000:

    • First divide:
      [tex]8000 \/ 2 = 4000[/tex]
    • Then add:
      [tex]4000 + 3000 = 7000[/tex]

  8. 70000 + 20000 - 60000:

    • Add first:
      [tex]70000 + 20000 = 90000[/tex]
    • Then subtract:
      [tex]90000 - 60000 = 30000[/tex]

  9. 90000 - 50000 + 10000:

    • Subtract first:
      [tex]90000 - 50000 = 40000[/tex]
    • Add:
      [tex]40000 + 10000 = 50000[/tex]

  10. 9000 - 2000 \times 2:

    • Multiply first:
      [tex]2000 \times 2 = 4000[/tex]
    • Then subtract:
      [tex]9000 - 4000 = 5000[/tex]

  11. 2000 \times 3 + 4000:

    • Multiply first:
      [tex]2000 \times 3 = 6000[/tex]
    • Then add:
      [tex]6000 + 4000 = 10000[/tex]

  12. 8000 : 4 : 2:

    • First divide by 4:
      [tex]8000 \/ 4 = 2000[/tex]
    • Then divide by 2:
      [tex]2000 \/ 2 = 1000[/tex]

  13. 8000 - 2000 : 2:

    • Divide first:
      [tex]2000 \/ 2 = 1000[/tex]
    • Then subtract:
      [tex]8000 - 1000 = 7000[/tex]

  14. 4000 + 2000 \times 2:

    • Multiply first:
      [tex]2000 \times 2 = 4000[/tex]
    • Then add:
      [tex]4000 + 4000 = 8000[/tex]

Each of these steps breaks down into simple arithmetic operations, illustrating how each number sentence can be solved using basic rules of arithmetic involving addition, subtraction, multiplication, and division.

Thanks for taking the time to read Simplify the following calculations 1 80000 50000 30000 2 80000 50000 30000 3 3000 times 2 div 3 4 4900 div 7 times 3 5. We hope the insights shared have been valuable and enhanced your understanding of the topic. Don�t hesitate to browse our website for more informative and engaging content!

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