Question 2
EasyOriginal questionEvaluate .
Show the answer and explanation
CorrectNot quiteAnswer C
Correct answer: C
Explanation
Division and multiplication have equal rank, so work left to right: , then .
Subtraction and addition, also left to right: , then .
Worth noting
Doing the multiplication first gives and a final answer of 0; subtracting together gives 20. Both break the left-to-right rule.
- Concept
- Left-to-right order for operations of equal rank
- Typical timeTypical
- 35 s
- Your timeYours
- —
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