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Given that the entire exercise is with subtraction, we solve the exercise from left to right:
Solve the following problem:
\( 15\times2\times8= \)
Because subtraction is not commutative like addition! The expression 10-5-2-3 means start with 10, subtract 5, then subtract 2, then subtract 3. Grouping them differently changes the meaning.
Check your work! With these numbers (10-5-2-3), you should get 0. A negative result means you might have added instead of subtracted somewhere or worked in the wrong order.
You can think of it as , but only if you're very careful! It's safer to work left to right: 10→5→3→0.
Think of it like spending money! If you start with $10 and spend $5, then $2, then $3, you work through each purchase in order. Same with subtraction!
Addition and subtraction have the same priority level in order of operations. When you have only addition and subtraction (or only multiplication and division), you work from left to right.
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