Răspuns:
d) = 90+7×(1614-12000:8):16=90+7×(1614-1500):16=90+7×114÷16=90+798:16=90+49,875=49,965
e) = 44+8×[280:(37-74:37)]:32-7=44+8×[280:(37-2)]:32-7=44+8×(280:35):32-7=44+8×8:32-7=44+64:32-7=44+2-7=46-7=39
f) =(144+56):[50×40:(220-120)]= 200:(50×40:100)=200:(2000:100)=200:20=10