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〖1/1算式〗
作业:求算式 2/3*3.9*8.85*10^(-7)/9*50*10^(-4)*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4) 的值.
题型:数学计算
解:
2/3*3.9*8.85*10^(-7)/9*50*10^(-4)*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*10^(-7)/9*50*10^(-4)*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*10^-7/9*50*10^(-4)*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*10^-7/9*50*10^-4*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*10^-7/9*50*10^-4*0.34*10^-4+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*10^-7/9*50*10^-4*0.34*10^-4+0.4*10^-7*50*10^(-4)
=2/3*3.9*8.85*0.0000001/9*50*10^(-4)*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*0.0000001/9*50*0.0001*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*0.0000001/9*50*0.0001*0.34*0.0001+0.4*10^(-7)*50*10^(-4)
=2/3*3.9*8.85*0.0000001/9*50*0.0001*0.34*0.0001+0.4*0.0000001*50*10^(-4)
=2/3*3.9*8.85*0.0000001/9*50*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=0.666667*3.9*8.85*0.0000001/9*50*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=2.600001*8.85*0.0000001/9*50*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=23.010009*0.0000001/9*50*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=0.000002/9*50*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=0*50*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=0*0.0001*0.34*0.0001+0.4*0.0000001*50*0.0001
=0*0.34*0.0001+0.4*0.0000001*50*0.0001
=0*0.0001+0.4*0.0000001*50*0.0001
=0+0.4*0.0000001*50*0.0001
=0+0*50*0.0001
=0+0*0.0001
=0+0
=0 答案:2/3*3.9*8.85*10^(-7)/9*50*10^(-4)*0.34*10^(-4)+0.4*10^(-7)*50*10^(-4)=0你的问题在这里没有得到解决?请到 热门难题 里面看看吧!