Calculate the following arithmetic expressions. (Do not use a calculator.)

(a) 7 + 5 − 3 

(b) 5 + 6 × 2 

(c) 10 − 12 ÷ 3

(d) (−5) × (−7 + 8) 

(e) (−8) ÷ 4 + 2 

(f) 1 − (−2) ÷ (−3 × 2 + 5)

(g) (−6) ÷ (−3) − (−5 + 5) × (7) 

(h) 1 − (−4) + 3 

(i) (−5) × (−7) + 8

(j) (−3)⁵ − (−2)⁴ 

(k) 2 + 6 − 32 

(l) 2² + 4²

(m) (2 + 3)² 

(n) (3 − 4 × 2) + (9 ÷ 3 − 5)