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4 = 5 - 1 is also an answer
So what you suggest is make the minus sign an equal sign. That's 1 move. How do you then change the "4" into a "5"? You need 1 extra matchstick...
1-1=0 is also possible, almost the same
Nope... the instruction says move 3 and not 4 as in your solution.
1-1-1= -1 ?
4 = 5 - 1 is also an answer
ReplyDeleteSo what you suggest is make the minus sign an equal sign. That's 1 move. How do you then change the "4" into a "5"? You need 1 extra matchstick...
Delete1-1=0 is also possible, almost the same
ReplyDeleteNope... the instruction says move 3 and not 4 as in your solution.
Delete1-1-1= -1 ?
ReplyDelete