1、31225=43728=43246=96623=73179=98082836=第三天0.78+2.53=2.5+3.7=1.26+8.34=2.26+0.9=6.4+1.07=9.82-4.8=1.29-0.18=2.26-0.92=8-0.82=1.48-0.59=12356=8123727=5611=32512=157673441936第四天0.55+5.5=0.6+6.45=0.46+0.72=4.5+3.8=7.42+3.85=4.12-2.28=5-3.42=2.55-0.97=4.2-0.53=18.8-9.5=60822=87254544=37845=25116=42599313
2、6347=36119=158第五天6.41+0.58=6.77+5.82=9.8+3.82=7.88+6.43=4.6+2.7=4.5-2.8=5.13-1.65=3.06-2.28=3-1.28=6.72-5.88=568307544733826=29429=68934=61888=372第六天6.77+1.26=5.43+7.82=2.65+10.33=3.54+1.76=8.32+2.89=1.42-0.75=4.56-2.88=7.45-2.76=6.29-3.6=8.52-3.26=1723461348=32023132842=39575674=44476=350第七天3.48+8.
3、17=0.66+1.4=6.55+5.89=0.72+0.48=5.42+4.79=9.24-1.9=7.18-5.96=4.38-3.99=0.65-0.19=9.87-2.39=23016429417=18926987=93052=36469413=59843=79364=第八天0.93+0.16=2.95+0.29=0.65+9.98=7.35+9.22=5.73+2.19=7.11-4.6=10-4.56=9.16-5.33=7.23-5.86=4.32-1.44=24627210424=17138=384450289570910240=589第九天9.33+2.58=0.28+4.3
4、5=3.66+7.56=5.22+9.28=7.33+8.99=6.97-2.51=3.44-1.29=5.98-2.64=4.92-1.47=9.54-2.88=13450=901=17215234237315=659538963765第十天5.62+1.57=1.87+2.63=3.74+5.67=3.47+9.29=5.34+2.98=4.69-3.96=9.7-0.52=4.73-3.37=5.28-1.92=5.66-3.87=25411724927636546441=672541117453第十一天9.87+2.86=12.3+7.85=15.23+8.48=20.11+2.98=
5、3.59+5.64=13.34-1043=15-7.89=6.52-3.48=6.3-5.12=8.76-4.57=59331=732=91439518=45227=30675=24840=136375625第十二天2.47+3.24=2.98+0.56=5.64+1.78=8.02+0.99=7.14+5.67=11.39-2.8=12.53-6.47=7.2-6.45=3.35-2.67=60-1.27=134=92223=15367=28934345=533837850780第十三天6.07+4.89=5.19+6.47=2.36+4.66=5.06+2.38=4.15+4.95=11-
6、2.57=7.96-3.45=0.77-0.28=9.64-5.18=4.4-1.37=30697453=71367225=33467=89842030=257467第十四天7.86+13.44=7.87+2.8=19.3+34.28=5.67+1.98=2.27+5.67=7.34-1.67=6.28-3.72=11.2-2.52=33.62-18.59=67.45-9.99=281341367=56133=27619=165303784920480第十五天5+2.92=3.56+1.76=7.29+4.44=9.69+1.22=5.48+2.56=7.8-2.54=45.83-17.45=
7、35.67-24.84=12.9-5.69=43.54-13.64=249=57214=66615798=49371=84070433535=173第十六天2.45+3.58=6.82+2.28=4.73+5.94-1.76+3.38=35.8+19.72=34.45-29.27=45-.11-2.67=5.28-3.56=43.5-0.65=8.72-3.54=32868=843199=58=379=116393649591第十七天0.56.6.45=7.55+5.28=2.29+13.56=2.78+42.19=7.33+2.58=8.97-2.34=0.87-0.29=4.34-2.18
8、=31.72-3.73=45.26-44.28=221v87=726491351=17373=547258751345第十八天7.34+10.67=4.98+2.45=5.67+2.79=3.41+13.565.97+8.28=15.01-3.94=22.4-5.67=81.1-28.79=15.7-13.78=24.67-7.98=534210295=55363=59375457618=341510第十九天1.29+3.08=5.33+13.7=6.78+7.68=4.09+2.38=23.56+6.52=11.1-2.28=44.27-2.48=36.6-28.9=17.03-4.58=2
9、2.57-3.89=51860127151=52062489725681=337125第二十天5.76+5.8=6.87+1.92=5.23+22.9=34.5+17.91=13.42+7.17=29.8-10.81=44.1-25.39=57.25-56.97=23.15-4.95=49-19.47=353=60763115461=258=70582122757849=666电路与电子技术基础复习题一、基本概念题:1、电路包括电源 、负载 和中间环节 三个组成部分。2、电源或信号源的电压或电流,称为激励,它推动电路的工作;由它在电路各部分产生的电压和电流称为响应 。3、习惯上规定 正电荷 运
10、动的方向为电流的实际方向。4、选定同一元件的电流参考方向与电压参考方向一致,称为关联 参考方向。选定同一元件的电流参考方向与电压参考方向相反,称为非关联参考 方向。5、若电阻元件的伏安特性可以用一条通过平面坐标原点的直线来表征,称为线性 电阻元件。若电阻元件的伏安特性可以用一条通过、平面坐标原点的曲线来表征,就称为非线性 电阻元件。6、在电压和电流的关联参考方向下,欧姆定律表示为u=Ri 。在电压和电流的非关联参考方向下,欧姆定律表示为u=-Ri 。7、基尔霍夫电流定律(KCL):任何时刻,对任一节点,所有支路电流的代数和恒等于零。基尔霍夫电压定律(KVL):任何时刻,沿任一回路各支路电压的代数和恒等于零 。8、下图所示电路中,I1=2 A,I2=3 A, I3=-2 A; I4=-3A 。