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 24*arctan1/8+8*arctan1/57+4*arctan1/239 的值.
题型:数学计算
解:
24*arctan1/8+8*arctan1/57+4*arctan1/239
=24*0.785398/8+8*arctan1/57+4*arctan1/239
=24*0.785398/8+8*0.785398/57+4*arctan1/239
=24*0.785398/8+8*0.785398/57+4*0.785398/239
=18.849552/8+8*0.785398/57+4*0.785398/239
=2.356194+8*0.785398/57+4*0.785398/239
=2.356194+6.283184/57+4*0.785398/239
=2.356194+0.110231+4*0.785398/239
=2.356194+0.110231+3.141592/239
=2.356194+0.110231+0.013145
=2.466425+0.013145
=2.47957 答案:24*arctan1/8+8*arctan1/57+4*arctan1/239=2.47957 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!