Q.Math 12² × 2 + 2 × 200 × 2 + 2 - 100 × 2 : 2 × 2

Q.Math 12² × 2 + 2 × 200 × 2 + 2 – 100 × 2 : 2 × 2

12² × 2 + 2 × 200 × 2 + 2 – 100 × 2 ÷ 2 × 2

>> 144 × 2 + 2 × 200 × 2 + 2 – 100 × 2 ÷ 2 × 2

>> 288 + 2 × 200 × 2 + 2 – 100 × 2 ÷ 2 × 2

>> 288 + 400 × 2 + 2 – 100 × 2 ÷ 2 × 2

>> 288 + 800 + 2 – 100 × 2 ÷ 2 × 2

>> 288 + 800 + 2 – 200 ÷ 2 × 2

>> 288 + 800 + 2 – 100 × 2

>> 288 + 800 + 2 – 200

>> 1.088 + 2 – 200

>> 1.090 – 200

>> 890

$12 {}^{2} times 2 + 2 times 200 times 2 + 2 - 100 times 2 div 2 times 2$

$12 {}^{2} times 2 + 2 times 200 times 2 + 2 - 100 times 1 times 2$

$2(12 {}^{2} + 200 times 2 + 1 - 100)$

$2(144 + 400 + 1 - 100)$

$2 times 445$

$890$