脑洞大师 4 第 49 关：I must answer Doctor Worry's question.
脑洞大师 4 第 49 关
通关截图
快速答案
Erase the blackboard to reveal 'x=2', then enter '7' as the answer.
考察能力
分步解法
- 1) Read the question Doctor Worry is asking.
- 2) Slide your finger across the board to erase it.
- 3) See the revealed clue that gives the value.
- 4) Type 7 as your final answer and submit.
提示
查看提示
Wipe the board to find the clue you need for the number.
为什么有效
This puzzle punishes rushing by hiding the answer inside a clue on the board. Erasing the writing exposes the hint that leads to entering 7 as the correct response to Doctor Worry.
常见问题
How do I answer Doctor Worry in Brain Test 4 Level 49?
Erase the blackboard to reveal the x=2 clue, then enter 7 as the answer.
What is the answer to Brain Test 4 Level 49?
Wipe the board to uncover the hint, then type the number 7 to give Doctor Worry the right answer.
What is the trick in Brain Test 4 Level 49?
The answer is not obvious from the question alone. You must erase the blackboard to reveal the clue.
Why do I need to erase the board in Brain Test 4 Level 49?
Cleaning the board exposes the x=2 hint, which is what tells you to enter the number 7.
Is there a video walkthrough for Brain Test 4 Level 49?
Yes. The video shows erasing the blackboard to find the clue and then typing the answer 7.
How do I avoid getting stuck in Brain Test 4 Level 49?
Do not answer from memory. Erase the blackboard first to reveal the clue that leads to 7.