Let a = 2 let x = 1 (a *= 2) July 8, 2019 16 32 64 128 Let a = 2 let x = 1 + (a *= 2) Let a= 1 2 3 Let a = (1 5 - 1) * 2 Let x = 1 2 3 4 5 1 x 1 2 x 2