a.. A = 310 × 11 + 310 × 5 / 39 × 24
A = 310 × (11 + 5) / 39 × 24
A = 310 × 16 / 39 × 24
A = 310 × 24 / 39 × 24
A = 3
C = 11 × 322 × 37 - 915 / (2 × 314)2
C = 11 × 329 - (32)15 / 22 × 328
C = 11 × 329 - 330 / 22 × 328
C = 329 × (11 - 3) / 22 × 328
C = 329 × 8 / 22 × 328
C = 329 × 23 / 22 × 328
C = 3 × 2
C = 6