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
- A.
+, –, ×, =, ×, +
- B.
×, +, +, –, ×, =
- C.
×, =, ×, ×, +, –
- 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.