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 2×14300×0.125×(sin(180×0.255))^3÷3+3575×0.255×(1-sin(180×2×0.55)/(6.283×0.255))×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255) 的值.
题型:数学计算
解:
2×14300×0.125×(sin(180×0.255))^3÷3+3575×0.255×(1-sin(180×2×0.55)/(6.283×0.255))×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×(sin45.9)^3÷3+3575×0.255×(1-sin(180×2×0.55)/(6.283×0.255))×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×(1-sin(180×2×0.55)/(6.283×0.255))×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×(1-sin198/(6.283×0.255))×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×(1-sin198/1.602165)×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×1.04967×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×1.04967×0.4375×(sin45.9+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×1.04967×0.4375×(sin45.9+sin(180×0.74))÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×1.04967×0.4375×(sin45.9+sin133.2)÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×1.04967×0.4375×1.890389÷(1.25-3×0.255)
=2×14300×0.125×0.940429^3÷3+3575×0.255×1.04967×0.4375×1.890389÷0.485
=2×14300×0.125×0.831721712274573÷3+3575×0.255×1.04967×0.4375×1.890389÷0.485
=28600×0.125×0.831721712274573÷3+3575×0.255×1.04967×0.4375×1.890389÷0.485
=3575×0.831721712274573÷3+3575×0.255×1.04967×0.4375×1.890389÷0.485
=2973.405121÷3+3575×0.255×1.04967×0.4375×1.890389÷0.485
=991.13504+3575×0.255×1.04967×0.4375×1.890389÷0.485
=991.13504+911.625×1.04967×0.4375×1.890389÷0.485
=991.13504+956.905414×0.4375×1.890389÷0.485
=991.13504+418.646119×1.890389÷0.485
=991.13504+791.404018÷0.485
=991.13504+1631.760862
=2622.895902 答案:2×14300×0.125×(sin(180×0.255))^3÷3+3575×0.255×(1-sin(180×2×0.55)/(6.283×0.255))×0.4375×(sin(180×0.255)+sin(180×(1.25-2×0.255)))÷(1.25-3×0.255)=2622.895902 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!