b) 25- (15+6:3) = 8
c) 25+ [7+ (8-4:2)] = 38
d) 60 - [8 + (10 -2):2] = 48
e) 80-[22+(5.2-1)+6] = 43
f) 14:2+ [13 - (4.2+1)] =
g) (3+2). (5-1) + 4 =
h) 82-8.7:(4-1.3) =
i) 25 - [10 - (2.3+1)] =
j) 70 - [12+ (5.2-1)+6]=93
k) 8:2+ [15-(4.2+1)] = fo
l) 9 + [4+2. (6-4) + (2 + 5)] - 8 = 16
m) 50 + {10-2. [(6+4 : 2) - (10 - 3)]} =
n) 180: {10 +2. [20-45 : (13-2.5)]} =