总述:本次共解1题。其中
☆算术计算1题
〖1/1算式〗
作业:求算式 2×0.00347×2*e-4*(√(380/0.00347)-1)+15.9×21.34×1.45 的值.
题型:数学计算
解:
2×0.00347×2*e-4*(√(380/0.00347)-1)+15.9×21.34×1.45
=2×0.00347×2*e-4*(√109510.086455-1)+15.9×21.34×1.45
=2×0.00347×2*e-4*329.923082+15.9×21.34×1.45
=2×0.00347×2*0.018316*329.923082+15.9×21.34×1.45
=0.00694×2*0.018316*329.923082+15.9×21.34×1.45
=0.01388*0.018316*329.923082+15.9×21.34×1.45
=0.000254*329.923082+15.9×21.34×1.45
=0.0838+15.9×21.34×1.45
=0.0838+339.306×1.45
=0.0838+491.9937
=492.0775 答案:2×0.00347×2*e-4*(√(380/0.00347)-1)+15.9×21.34×1.45=492.0775你的问题在这里没有得到解决?请到 热门难题 里面看看吧!