90% of netizens made a mistake for this level 1 child, and what about you?
A very easy calculation, but many people have an extremely basic mistake when solving it. Not sure if you will be in 90% wrong answer.
Addition and subtraction are the calculations we learned from the first grade and perhaps all proficiently used later on.
But in fact, these calculations can sometimes be more tricky than we thought. The evidence is that there are problems that actually look extremely simple, yet many people have answered incorrectly.
Such as the very easy problem below. It was posted on the fanpage of a famous foreign news site, and attracted the attention of many netizens.
It is extremely easy to look at, it looks like a level 1 problem, but it is estimated that more than 90% have answered incorrectly.
Why are they wrong? First, try to go out. You can see for yourself how much of this calculation the answer is, then you will find the answer is full of surprises.
Answer
Many people have chosen the answer "1" . Their solution is as follows:
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 = 12 x 0 + 1 = 1
Of course, this is a wrong answer. These people have made a fundamental mistake of not prioritizing previous multiplication but only counting from left to right, so they have a chance.
Others don't make this mistake, and they figure out "12" .
1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 x 0 + 1 = 11 + 1 = 11 + 0 + 1 = 12
Do you also get this answer? But know what, you're wrong! Take a closer look, what do you do with so many plus signs?
See? All 3 lines have no association with the "plus" sign. Therefore, this operation must be written as follows:
1 + 1 + 1 + 1 + 11 + 1 + 1 + 1 + 11 + 1 x 0 + 1 = 15 + 14 + 0 + 1 = 30
In addition, there are some opinions that because the first two operations are not relevant, the valid clause will only be the last line. That is, we have:
1 + 1 x 0 + 1 = 2
How do you produce results? Was it tricked like 90% of netizens? Please leave a comment.
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