ОТВЕТЫ по строчкам.
1) S = 8*4 - 1*2 = 30
2) S = 8*4 - 3*4/2 = 32 - 6 = 26
3) S = 8/4 : 2 = 32:2 = 16
4) S = 32 - π/4 = 32 - 3/4 = 31 3/4 - (sкруга =πR²)
5) S = 32 - 3*2² = 32 - 12 = 20
6) S = 4*4 - 3*4 = 4
7) S = 32 + 3*1²/2 = 33.5
8) S = 32 - 1.5 = 30.5
9) S = 4*4 + 3*2² = 16 + 12 = 28