Select the correct combination of mathematical signs that can sequentially…

2023

Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation: 12 * 70 * 5 * 5 * 5 * 11 * 2

  1. A.

    +, –, ×, =, ×, +

  2. B.

    ×, +, +, –, ×, =

  3. C.

    ×, =, ×, ×, +, –

  4. D.

    ×, +, –, ×, =, ×

Attempted by 2 students.

Show answer & explanation

Correct answer: A

Using option A gives 12 + 70 - 5 x 5 = 5 x 11 + 2. The left side is 12 + 70 - 25 = 57, and the right side is 55 + 2 = 57, so the equation is balanced.

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