a) 7 x (3 + 8) % 7 =
b) 100/4 x 5 =
c) 2.1- (3.5 + 2.1) + (5 + 3.5) =
d){20- (8 - 3)} - (9 - 4) =
e) 3 - 0.5 x 2 + 4 =
f) {(3 + 4) x 5} – 5 + 2 x 5 =
g) 4.6 + { 20.7 – (11.6 + 9.1)} =