Logic

Logic Warmups

Operator Search Warmup

         

What sign, in place of \square , will make the equation true?

62=4 \large 6 \square 2 = 4

Using only + + and - , can we fill in the boxes to make the following expression true:

642=8? \large 6 \square 4 \square 2 = 8 ?

Out of the 4 standard arithmetic operations (+,,×,÷+, - , \times, \div), can we place them into \square such that the equation is true?

123=6 \large 1 \square 2 \square 3 = 6

Note: Each \square could use the same or a different operation.

Using only + + and - , can we fill in the boxes to make the following expression true:

12345=10? \large 1 \square 2 \square 3 \square 4 \square 5 = 10 ?

Out of the 4 signs (+,,×,÷ +, -, \times, \div), how many of them could be placed in \square to make the statement true?

22=4 \large 2 \square 2 = 4

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