358-150-120÷15×4
=358-（150-120）/15*4
=358-2*4
=350
100-42×2÷4
=(100-42*2)/4
=16/4
=4
150÷15十15×4
=(150/15+15)*4
=25*4
=100
120十90÷30十40
=(120+90)/(30+40)
=210/70
=3
35十15×40-20
=(35+15)*(40-20)
=50*20
=1000
110十10×60÷20
=(110+10)*60/20
=120*60/20
=360