To find the first 20 significant digits of 10/7, use command A = 10/7 , vpa(A,20)()
举一反三
- To find the first 20 significant digits of 10/7, use command A = 10/7 , vpa(A,20)() A: 正确 B: 错误
- 10(20)kV及以下三相供电电压允许偏差为额定电压的%() A: ±7,+7%~-10 B: ±7,±7 C: +7%~-10,+7%~-10 D: ±10,±10
- 10(20)千伏及以下三相供电电压允许偏差为额定电压的%() A: ‘+7与-10 B: ±7 C: ±10 D: ’-7与+10
- 升降舵调整片上、下偏转的最大角度分别是() A: 10°+1° 7°+0.5° B: 10°+1° 10°+0.5° C: 20°+1° 10°+0.5° D: 20°+1° 7°+0.5°
- What time does the girl go to school today? A: At 7:10 B: At 7:20 C: At 7:30