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Sagot :
Answer:
-9
Step-by-step explanation:
Use the order of operations. Do these operations in this order:
- Parenthesis
- Exponents
- Multiplication
- Division
- Addition
- Subtraction
Note: when either multiplication and division, or addition and subtraction are there, go left to right.
Equation: -1 - 2 · {(-1) + 5}
Solve:
- -1 - 2 · {(-1) + 5}
- -1 - 2 · {4}
- -1 - 8
- -9
*Challenge*
Using the same method, see if you can solve this equation:
6 ÷ 2(1+2)
-Chetan K
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