-4.00-2.00×15/+3.00+1.00×15=()。
A: -1.00+1.00×15
B: +1.00-1.00×15
C: -1.00-1.00×15
D: -l.00-1.00×105
A: -1.00+1.00×15
B: +1.00-1.00×15
C: -1.00-1.00×15
D: -l.00-1.00×105
C
举一反三
- -4.00-2.00×15/+3.00+1.00×15=()。 A: -1.00+1.00×15 B: +1.00-1.00×15 C: -1.00-1.00×15 D: -l.00-1.00×105
- 如:-3.00×90/-4.00×180=-3.00/-1.00×180或-4.00/+1.00×90()
- Part I: Listening Comprehension (15%) A: $4.00 B: $5.00 C: $1.00 D: $9.00
- 1. Charges of 3.00 nC, –2.00 nC, –7.00 nC, and 1.00 nC are contained inside a rectangular box with length 1.00 m, width 2.00 m, and height 2.50 m. Outside the box are charges of 1.00 nC and 4.00 nC. What is the electric flux through the surface of the box?
- 25℃时,水的离子积是() A: 1.00×10-14 B: 1.00×10-7 C: 1.00×1014 D: 1.00×107
内容
- 0
欲配制1.00 L 1.00 mol·L-1的NaCl溶液,可将58.5 g NaCl溶于1.00 L水中
- 1
-6.00/+5.00=() A: -11.00 B: -1.00 C: +1.00 D: +11.00
- 2
+3.00联合-2.00=() A: -1.00 B: +5.00 C: -5.00 D: +1
- 3
20MnSi的Mn含量在() A: 0.70~1.00% B: 1.00~1.20% C: 1.20~1.70% D: 1.70~2.00%
- 4
As of today, the spot exchange rate is €1.00 = $1.60 and the rates of inflation expected to prevail for the next year in the U.S. is 2% and 3% in the euro zone. What is the one-year forward rate that should prevail? ( ) A: €1.00 = $1.6157 B: €1.6157 = $1.00 C: €1.00 = $1.5845 D: $1.00 × 1.03 = €1.60 × 1.02