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According to the order of operations, we place the multiplication and division exercise within parentheses:
Now we solve the exercises within parentheses:
And we obtain the exercise:
0
\( 13+5+5= \) ?
Mathematics has a specific order that's different from reading! Division and multiplication must be done before addition and subtraction, even if they appear later in the expression.
Use PEMDAS: Parentheses, Exponents, Multiplication/Division (left to right), Addition/Subtraction (left to right). The key is that M and D have equal priority!
When you see mixed operations, mentally add parentheses around each multiplication/division pair first: . This helps you visualize the correct order!
No! Decimals follow the same rules as whole numbers. Just be careful with your decimal multiplication: .
Work backwards! Start with your answer and verify each step: ✓, where ✓ and ✓.
They mean exactly the same thing! and both equal 3. The ÷ symbol is just another way to write division.
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