Logic

Operator Search

Operator Search With Parenthesis

         

2    2    2    2    2 2 \; \square \; 2 \; \square \; 2 \; \square \; 2 \; \square \; 2

Fill in the blanks above with the mathematical operators +,,×,÷ + , - , \times , \div .

What is the smallest possible resultant number?

Note:

  • You don't have to use all 4 mathematical operators.
  • The answer can be a negative number.

5    4    3 5 \; \square \; 4 \; \square \; 3

Using the operations of +,,×,÷ +, -, \times, \div and parenthesis as many times as you like, which of the following cannot \color{#D61F06} { \text{cannot} } be a resultant number?

1    2    3 1 \; \square \; 2 \; \square \; 3

Using the operations of +,,×,÷ +, -, \times, \div and parenthesis as many times as you like, is it possible to obtain a result of 4?

3    3    3    3    3 3 \; \square \; 3 \; \square \; 3 \; \square \; 3 \; \square \; 3

Fill in the blanks above with the mathematical operators +,,×,÷ + , - , \times , \div .

What is the largest possible resultant number?

Note: You don't have to use all 4 of those mathematical operators.

4    3    2 4 \; \square \; 3 \; \square \; 2

Using the operations of +,,×,÷ +, -, \times, \div and parenthesis as many times as you like, is it possible to obtain a result of 10?

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