///-https://huntjob.taobao/ 2016 60 //offer ///-https://huntjob.taobao/ 1200571200871? A. B. C. D. D1112005 7120067120077120082008 71D 245222 127 A.25 B.27 C.35 D.40 C,22,25;2, 27=+5+++=+5++27+25=12 7=3535 C 31503020%? A.20 B.25 C.30 D.45 A1==1 150=150130=30150-30=120 1120%=1.21201.2=100=- =150- 100+30=20A 440089 A.400 B.800 C.1200 D.1600 C400 31200C 520 4.5/27/ A.8.1 B.9 C.11 D.11,9 D //offer ///- https://huntjob.taobao/ =4.5 1.5=27-4.5t,t=0.38.111.9D 6408060 150 A.600 B.800 C.1200 D.1600 A80 (60-40) =41504=600A 78830.72 A.85 B.40 C.48 D.50 C0.8 0.8=30.7248C 83039 A.12 B.10 C.9 D.7 B99129 1011101010136110B 2438 63165 B 920% 40% 80% A.4 B.8% C.20% D.54% B100120100 180X40%(X-100) (1-40%)=X-120X=150=8% B 101587 12600121475600? //offer ///- https://huntjob.taobao/ A.25 B.30 C.32 D.35 B126007815=15 121475600=75600141215=30B 11. C C 12. D D //offer。。。。。 。以下内容略