What is [8+(4-2)]+[9-(3+1)] ?

The solution to [8+(4-2)]+[9-(3+1)] is 15

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[8+(4-2)]+[9-(3+1)]

[8 + (4 - 2)] + [9 - (3 + 1)]

15

Solution steps

[8 + (4 - 2)] + [9 - (3 + 1)]

Follow the PEMDAS order of operations

Calculate within parentheses

[8 + (4 - 2)] : 10

= 10 + [9 - (3 + 1)]

Calculate within parentheses

[9 - (3 + 1)] : 5

= 10 + 5

Add and subtract (left to right)

10 + 5 : 15

= 15

\frac{6}{4} (\frac{12}{5} \div \frac{3}{4})

2^{13} - 2

35 - [3 + 2 \times (5 + 6 \div 3 \times 4)]

- \frac{1}{2} (- 2)^{2}

5^{2} \times 2