Question 40

Replace # sign with the mathematical operators `+', `$$\div$$' and `—' and `=' to get a balanced equation out of (27 # 15 # 2) # 10 # 4. Choose the right sequence from below.

Solution

(27 # 15 # 2) # 10 # 4

+ - $$\div$$ =

$$(27 + 15 - 2)\div 10 = 4$$

apply bodmass before that solve the bracket

$$(40)\div 10 = 4$$

4 = 4

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