Which one is the most suitable reason to use Macro in MS

(2879.79 ÷ 24.07) × (√624.77 + √120.88) - 35% of 1199.85 = ?

811.85 ÷ 28.05 + 462.16 – 23.06 × 17.95 = ?

((341.789)^1/3 × (0.0049)^1/2)× 429.798/6.88 =?

2 (1/4)% of 7999.58 + {49.06% of 898.87} + √143.14 – 19.99% of 1499.63 - (52 - 41) = ?

440.11 ÷ 21.98 × 5.14 – 72.9 = √? 

21.11 × 4.98 + 22.03 × 4.12 – 31.95 + 95.9 × 3.02 =?

59.98% of 3200 + 50.28% of 2800 = 89.99% of 2800 + ?

The greatest number that will divide 398,436, and 542 leaving 7, 11, and 15 as remainders, respectively, is:

12.99% of 499.99 ÷ 13.17 = ? ÷ 20.15