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Which two signs need to be interchanged to make the following equation correct?
72−12 + 8 × 6 ÷ 22 = 32
× and ÷
− and ÷
− and +
− and ×
Let's break down the options and see which interchange makes the equation correct:
- Original Equation: 72 - 12 + 8 × 6 ÷ 22 = 32.
- Option 1: Swap × and ÷.
- New Equation: 72 - 12 + 8 ÷ 6 × 22 = ?
- This equals 72 - 12 + 29.33, which does not equal 32.
- Option 2: Swap - and ÷.
- New Equation: 72 ÷ 12 + 8 × 6 - 22 = ?
- This equals 6 + 48 - 22 = 32.
- Correct!
- Option 3: Swap - and +.
- New Equation: 72 + 12 - 8 × 6 ÷ 22 = ?
- This does not simplify to 32.
- Option 4: Swap - and ×.
- New Equation: 72 × 12 + 8 - 6 ÷ 22 = ?
.
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