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(180×0.281))^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281) 的值.
题型:数学计算
解:
2×14300×0.125×(sin(180×0.281))^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×(sin50.58)^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×(1-sin101.16/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×(1-sin101.16/1.765523)×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin50.58+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin50.58+sin(180×0.688))÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(sin50.58+sin123.84)÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷(1.25-3×0.281)
=2×14300×0.125×0.309358^3÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
=2×14300×0.125×0.029606294447911÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
=28600×0.125×0.029606294447911÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
=3575×0.029606294447911÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
=105.842503÷3+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
=35.280834+3575×0.281×0.666747×0.4375×(-0.65883)÷0.407
=35.280834+1004.575×0.666747×0.4375×(-0.65883)÷0.407
=35.280834+669.797368×0.4375×(-0.65883)÷0.407
=35.280834+293.036349×(-0.65883)÷0.407
=35.280834+(-193.061138)÷0.407
=35.280834+(-474.35169)
=-439.070856 答案:2×14300×0.125×(sin(180×0.281))^3÷3+3575×0.281×(1-sin(180×2×0.281)/(6.283×0.281))×0.4375×(sin(180×0.281)+sin(180×(1.25-2×0.281)))÷(1.25-3×0.281)=-439.070856 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!