If + = x, - = +, x = ÷; then 6 + 3 - 2 × 1 = ?

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If + = x, - = +, x = ÷; then 6 + 3 - 2 × 1 = ?

A20

B21

C19

D24

Answer:

A. 20

Read Explanation:

Given the symbol substitutions:

+ means ×
- means +
× means ÷

So the expression

6 + 3 - 2 × 1

becomes

6 × 3 + 2 ÷ 1

Now apply the usual order of operations:

$(6 \times 3 = 18)$
$(2 \div 1 = 2)$

Then:

(18 + 2 = 20)

✅ Answer: 20

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