a) 7 – ( 1 + 3) =
b) 9 – ( 5 – 1 + 2) =
c) 10 – ( 2 + 5 ) + 4 =
d) ( 13 – 7 ) + 8 – 1 =
e) 15 – ( 3 + 2) – 6 =
f) ( 10 – 4 ) – ( 9 -8) + 3 =
g) 50 – [ 37 – ( 15 – 8 ) ] =
h) 28 + [50 – (24 – 2) -10 ] =
i) 20 + [ 13 + (10 – 6) + 4] =
j) 52 – { 12 + [ 15 – ( 8 – 4)]} =
k) 25 + { 12 + [ 2 – ( 8 – 6 ) + 2 ]} =
l) { [ ( 18 – 3 ) + ( 7 + 5) – 2 ] + 5 } – 12 =
m) 65 – { 30 – [ 20 – ( 10 – 1 + 6) + 1 ]} =
n) 45 + { 15 – [ ( 10 – 8 ) + ( 7 – 4) – 3 ] – 4 } =
o) 40 + { 50 – [35 – ( 25 +5) – 1 ]} + 7 =
p) 38 – { 20 – [ 22 – ( 5 + 3) + ( 7 – 4 +1)]} =
q) 26 + { 12 – [ ( 30 – 18) + ( 4 – 1) – 6 ] – 1 } =
r) 25-[10 + (7 - 4)] =
s) 32+ [10-(9-4)+8] =
t) 45-[12-4+(2+1)] =
u) 5² + 2³ - 2 x (3 + 9) =
v) 6² : 3² + 4 x 10 – 12 =
w)(7² - 1 ) : 3 + 2 x 5 =
x) 4²- 10 + (2³ - 5) =
y) 30 – (2 + 1)²+ 2³ =
z) [ 4² + ( 5 – 3)³] : ( 9 – 7)³ =