The next Math Puzzle quickly gained popularity and was puzzled by the network users. This picture appeared on page one Facebook user on 17 August and less than a month attracted 500,000 comments in which people publish their response options . We offer to you to solve the puzzle , but we recommend to be careful and test yourself , you will be able to answer with the help of which you will find below .
Confusion in the solution of the problem arises from the fact that many people forget that the first multiplication is performed , as well as due to simple negligence , as shown in the problem , only one shoe and one boot . In numbers, the problem is as follows: 1 + 10 x 2 = 21. In this video solution understands in detail the problem. Despite the fact that the video is in English , everything is absolutely clear .
Wrong, it's 2+(10x4)=42