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 -arctan0.1×0.1-arctan0.01×0.1-arctan(1/0.375)×0.1-arctan(1/84.85)×0.1+arctan(1/3)*0.1+arctan(1/10.61)×0.1 的值.
    题型：数学计算
    解:
          -arctan0.1×0.1-arctan0.01×0.1-arctan(1/0.375)×0.1-arctan(1/84.85)×0.1+arctan(1/3)*0.1+arctan(1/10.61)×0.1
        =-arctan0.1×0.1-arctan0.01×0.1-arctan2.666667×0.1-arctan(1/84.85)×0.1+arctan(1/3)*0.1+arctan(1/10.61)×0.1
        =-arctan0.1×0.1-arctan0.01×0.1-arctan2.666667×0.1-arctan0.011786×0.1+arctan(1/3)*0.1+arctan(1/10.61)×0.1
        =-arctan0.1×0.1-arctan0.01×0.1-arctan2.666667×0.1-arctan0.011786×0.1+arctan0.333333*0.1+arctan(1/10.61)×0.1
        =-arctan0.1×0.1-arctan0.01×0.1-arctan2.666667×0.1-arctan0.011786×0.1+arctan0.333333*0.1+arctan0.094251×0.1
        =-0.099669×0.1-arctan0.01×0.1-arctan2.666667×0.1-arctan0.011786×0.1+arctan0.333333*0.1+arctan0.094251×0.1
        =-0.099669×0.1-0.01×0.1-arctan2.666667×0.1-arctan0.011786×0.1+arctan0.333333*0.1+arctan0.094251×0.1
        =-0.099669×0.1-0.01×0.1-1.212026×0.1-arctan0.011786×0.1+arctan0.333333*0.1+arctan0.094251×0.1
        =-0.099669×0.1-0.01×0.1-1.212026×0.1-0.011785×0.1+arctan0.333333*0.1+arctan0.094251×0.1
        =-0.099669×0.1-0.01×0.1-1.212026×0.1-0.011785×0.1+0.32175*0.1+arctan0.094251×0.1
        =-0.099669×0.1-0.01×0.1-1.212026×0.1-0.011785×0.1+0.32175*0.1+0.093973×0.1
        =-0.009967-0.01×0.1-1.212026×0.1-0.011785×0.1+0.32175*0.1+0.093973×0.1
        =-0.009967-0.001-1.212026×0.1-0.011785×0.1+0.32175*0.1+0.093973×0.1
        =-0.009967-0.001-0.121203-0.011785×0.1+0.32175*0.1+0.093973×0.1
        =-0.009967-0.001-0.121203-0.001179+0.32175*0.1+0.093973×0.1
        =-0.009967-0.001-0.121203-0.001179+0.032175+0.093973×0.1
        =-0.009967-0.001-0.121203-0.001179+0.032175+0.009397
        =-0.010967-0.121203-0.001179+0.032175+0.009397
        =-0.13217-0.001179+0.032175+0.009397
        =-0.133349+0.032175+0.009397
        =-0.101174+0.009397
        =-0.091777
    答案:-arctan0.1×0.1-arctan0.01×0.1-arctan(1/0.375)×0.1-arctan(1/84.85)×0.1+arctan(1/3)*0.1+arctan(1/10.61)×0.1=-0.091777
    注：弧度制

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