Select the correct combination of mathematical signs to replace (*) signs sequentially and to balance the given equation.
210 * 7 * 2 * 60 * 30 = 90
Show answer & explanation
Correct answer: C
Explanation
210 * 7 * 2 * 60 * 30 = 90
From option 3, [÷ , × , + , −]
210 ÷ 7 × 2 + 60 − 30
30 × 2 + 60 − 30
60 + 60 − 30
= 90