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After interchanging which two signs will the value of the given expression be ‘356’?
133 + 49 − 16 ÷ 2 × 34
+ and -
- and ÷
× and +
÷ and ×
To solve the problem, check how the expression changes with each swapping of the signs:
- Original Expression: 133 + 49 - 16 ÷ 2 × 34
- Option 1: Swap + and -. New expression is 133 - 49 + 16 ÷ 2 × 34
- Calculation: 133 - 49 + 8 × 34 = 84 + 272 = 356
- This gives 356.
- Option 2: Swap - and ÷. New expression is 133 + 49 ÷ 16 - 2 × 34
- Calculation doesn't match 356.
- Option 3: Swap × and +. New expression is 133 × 49 - 16 ÷ 2 + 34
- Option 4: Swap ÷ and ×. New expression is 133 + 49 - 16 × 2 ÷ 34
The correct option is Option 1.
.
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