a) 140+ [30- (2-7)]-
b) (3-(0.5 x 2)] x 4 =
c)(3+21) x-
d) 5+ [(3+7) × 1 =
e) 16-[(3 x 2)-0.5] - (0.5 x 5) =
f) 30+ ((15-6)+ [3+(18-3)] + 5) =
2) 5+ [(4+6)x [8-5)] + 2 =
h) [(15+6)+(3+4)] × (5-1) =