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 2×14300×0.45^3×(sin(180×0.27))^3÷3+14300×0.27×(1-sin(180×2×0.27)/(6.283×0.27))×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27) 的值.
题型:数学计算
解:
2×14300×0.45^3×(sin(180×0.27))^3÷3+14300×0.27×(1-sin(180×2×0.27)/(6.283×0.27))×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(sin48.6)^3÷3+14300×0.27×(1-sin(180×2×0.27)/(6.283×0.27))×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×(1-sin(180×2×0.27)/(6.283×0.27))×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×(1-sin97.2/(6.283×0.27))×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×(1-sin97.2/1.69641)×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(sin48.6+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(sin48.6+sin(180×0.71))÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(sin48.6+sin127.8)÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(-0.151199)÷(1.25-3×0.27)
=2×14300×0.45^3×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=2×14300×0.091125×(-0.995521)^3÷3+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=2×14300×0.091125×-0.986623094467806÷3+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=28600×0.091125×(-0.986623094467806)÷3+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=2606.175×(-0.986623094467806)÷3+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=(-2571.312443)÷3+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=(-857.104148)+14300×0.27×0.889035×0.39×(-0.151199)÷0.44
=-857.104148+3861×0.889035×0.39×(-0.151199)÷0.44
=-857.104148+3432.564135×0.39×(-0.151199)÷0.44
=-857.104148+1338.700013×(-0.151199)÷0.44
=-857.104148+(-202.410103)÷0.44
=-857.104148+(-460.022961)
=-1317.127109 答案:2×14300×0.45^3×(sin(180×0.27))^3÷3+14300×0.27×(1-sin(180×2×0.27)/(6.283×0.27))×(0.45-0.06)×(sin(180×0.27)+sin(180×(1.25-2×0.27)))÷(1.25-3×0.27)=-1317.127109 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!