? = (6.1 × 64.93 ÷ 12.86) 1.97 – 49.98% of 359.77
? = (6.1 × 64.93 ÷ 12.86)1.97 – 49.98% of 359.77 ? ~ (6 × 65 ÷ 13)2 – 50% of 360 ? ~ 302 – 0.5 × 360 ? ~ 900 – 180 ? ~ 720
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