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☆算术计算1题
〖1/1算式〗
作业:求算式 2/3*14.3*400*400*400*(sin(180*0.256))^3+360*4000*400*(sin(180*0.256)+sin(180*0.738))/π 的值.
题型:数学计算
解:
2/3*14.3*400*400*400*(sin(180*0.256))^3+360*4000*400*(sin(180*0.256)+sin(180*0.738))/π
=2/3*14.3*400*400*400*(sin46.08)^3+360*4000*400*(sin(180*0.256)+sin(180*0.738))/π
=2/3*14.3*400*400*400*0.864367^3+360*4000*400*(sin(180*0.256)+sin(180*0.738))/π
=2/3*14.3*400*400*400*0.864367^3+360*4000*400*(sin46.08+sin(180*0.738))/π
=2/3*14.3*400*400*400*0.864367^3+360*4000*400*(sin46.08+sin132.84)/π
=2/3*14.3*400*400*400*0.864367^3+360*4000*400*1.643392/π
=2/3*14.3*400*400*400*0.645794785259319+360*4000*400*1.643392/π
=0.666667*14.3*400*400*400*0.645794785259319+360*4000*400*1.643392/π
=9.533338*400*400*400*0.645794785259319+360*4000*400*1.643392/π
=3813.3352*400*400*0.645794785259319+360*4000*400*1.643392/π
=1525334.08*400*0.645794785259319+360*4000*400*1.643392/π
=610133632*0.645794785259319+360*4000*400*1.643392/π
=394021117.856928+360*4000*400*1.643392/π
=394021117.856928+1440000*400*1.643392/π
=394021117.856928+576000000*1.643392/π
=394021117.856928+946593792/π
=394021117.856928+301310162.193803
=695331280.050731 答案:2/3*14.3*400*400*400*(sin(180*0.256))^3+360*4000*400*(sin(180*0.256)+sin(180*0.738))/π=695331280.050731 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!