Win in 15 seconds, clear all customs in 1 minute【24/06/19 16】
Welcome all new and old friends, here is the daily brain-awakening game sent by Dongdong for friends. Starting at 6 a.m. every day, every 1 hour a matchstick game will be delivered to friends. Each consists of 4 questions, and the task of the game is to move the equation and move only one match to make the equation that was not valid before. I look forward to friends to challenge every day to see if you can calculate a question in a few seconds and whether you can clear it in 1 minute.
--------- Level 1---------
【Question 1】The original equation is 77-90=21, which contains the numbers 7, 7, 9, 0, 2, 1 and the operator "-". Among them, 9, 0, and 1 can add a matchstick; The numbers 7 and 9 can reduce a matchstick; There are also 9, 0, and 2 that can be changed into other numbers by moving a matchstick.
--------- Level 2---------
【Question 2】The original equation is 83-73=12, which contains the numbers 8, 3, 7, 3, 1, 2 and the operator "-". Among them, 3 and 1 can add a matchstick; The numbers 8 and 7 can reduce a matchstick; There are also 3 and 2 that can be changed into other numbers by moving a matchstick.
--------- Level 3---------
【Question 3】The original equation is 68-20=60, which contains the numbers 6, 8, 2, 0, 6, 0 and the operator "-". Among them, 6 and 0 can add a matchstick; The numbers 6 and 8 can reduce a matchstick; There are also 6, 2, and 0 that can be changed into other numbers by moving a matchstick.
--------- Level 4---------
【Question 4】The original equation is 90+31=49, which contains the numbers 9, 0, 3, 1, 4, 9 and the operator "+". Among them, 9, 0, 3, and 1 can add a matchstick; And 9 can reduce a matchstick by a few numbers; There are also 9, 0, and 3 that can be changed into other numbers by moving a matchstick.
--------- manual bottom line, there is no one behind---------
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