\(a,=5.4-18:9\\ =20-2=18\\ b,=17\left(85+15\right)-120\\ =17.100-120\\ =1580\\ c,=8\left(17-14\right)\\ =8.3=24\\ d,=20-\left(30-4^2\right)\\ =20-14\\ =6\\ e,=75-\left(3.25-4.8\right)\\ =75-43\\ =32\\ g,=150+10-2.9\\ =150+10-18\\ =142\)
a: \(=5\cdot4-18:9=20-2=18\)
b: \(=17\cdot100-120=1700-120=1580\)
c: \(=8\left(17-14\right)=8\cdot3=24\)
d \(=20-30+4^2=16-10=6\)
e: \(=75-75+4\cdot8=32\)