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 2/3×1.43×10^3×0.785×0.5×(sin1.235)*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14 的值.
题型:数学计算
解:
2/3×1.43×10^3×0.785×0.5×(sin1.235)*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*0.944148*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^-6×0.45×(0.993645+(sin1.235))/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^-6×0.45×(0.993645+0.944148)/3.14
=2/3×1.43×10^3×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^-6×0.45×1.937793/3.14
=2/3×1.43×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×10^3×17693.45×10^(-6)×0.45×1.937793/3.14
=2/3×1.43×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×10^(-6)×0.45×1.937793/3.14
=2/3×1.43×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=0.666667×1.43×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=0.953334×1000×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=953.334×0.785×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=748.36719×0.5×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=374.183595×0.944148*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=353.284693*0.944148*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=333.553036*0.944148/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=314.923432/3.14+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=100.294087+360×1000×17693.45×0.000001×0.45×1.937793/3.14
=100.294087+360000×17693.45×0.000001×0.45×1.937793/3.14
=100.294087+6369642000×0.000001×0.45×1.937793/3.14
=100.294087+6369.642×0.45×1.937793/3.14
=100.294087+2866.3389×1.937793/3.14
=100.294087+5554.371456/3.14
=100.294087+1768.908107
=1869.202194 答案:2/3×1.43×10^3×0.785×0.5×(sin1.235)*(sin1.235)*(sin1.235)/3.14+360×10^3×17693.45×10^(-6)×0.45×((sin1.458)+(sin1.235))/3.14=1869.202194 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!