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R×C (R+C)-1 R×C-1 (R-1)×(C-1)
百分比收益率(R)=(P1+D-P0)÷P0×100% 百分比收益率(R)=(P1-D-P0)÷P0×100% 百分比收益率(R)=(P1+D+P0)÷P0×100% 百分比收益率(R)=(P1-D+P0)÷P0×100%
Great! Why me! Come on! Not at all
U1=73.3V U1=60.3V U1=110V U1=30.3V
r1=r2=0L1=L2=M=0 r1=r2=0L1=L2=M=∞ r1=r2=∞L1=L2=M=0 r1=r2=∞L1=L2=M=∞
U1=73.3V U1=60.3V U1=110V U1=30.3V
B.C.D四个选项中,选出可以填入空白处的最佳选项,并在答题卡上将该项涂黑。 1. The beauty contest offered a grand _______for the eyes of the viewers with so many beauties. A. dinner feast party treat
T36.9℃、Pl05次/分、R22次/分、BPl6/10kPa T38.0℃、P96次/分、R24次/分、BPl5/9kPa T36.8℃、P88次/分、R20次/分、BPl7/1lkPa T35.8℃、P58次/分、R15次/分、BPl4/8.5kPa T36.4℃、P76次/分、R16次/分、BPl9/13kPa
1NF、2NF、3NF 1NF、3NF、3NF 2NF、2NF、3NF 2NF、3NF、3NF
Why not I agree I’m afraid not I’m sure
U1=73.3V U1=60.3V U1=110V U1=30.3V