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Mathematical operation and symbol notation

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Direction: Correct the following equations by interchanging the two signs.

  1. 32 x 2 2 ÷ (62 - 9) + 12 = 33
    1. - and ÷
    2. + and x
    3. x and ÷
    4. + and -
Correct Option: A

If we interchange symbols '-' and '÷', the equation becomes
9 x 4 - (36 ÷ 9) + 1
= 9 x 4 - 36/9 + 1
= 36 - 4 + 1
= 33


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