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 -90-arctan(0.1*350)-arctan(0.01*350)-arctan(350/0.375)-arctan(350/84.85)+arctan(350/3)+arctan(350/10.61) 的值.
    题型：数学计算
    解:
          -90-arctan(0.1*350)-arctan(0.01*350)-arctan(350/0.375)-arctan(350/84.85)+arctan(350/3)+arctan(350/10.61)
        =-90-arctan35-arctan(0.01*350)-arctan(350/0.375)-arctan(350/84.85)+arctan(350/3)+arctan(350/10.61)
        =-90-arctan35-arctan3.5-arctan(350/0.375)-arctan(350/84.85)+arctan(350/3)+arctan(350/10.61)
        =-90-arctan35-arctan3.5-arctan933.333333-arctan(350/84.85)+arctan(350/3)+arctan(350/10.61)
        =-90-arctan35-arctan3.5-arctan933.333333-arctan4.124926+arctan(350/3)+arctan(350/10.61)
        =-90-arctan35-arctan3.5-arctan933.333333-arctan4.124926+arctan116.666667+arctan(350/10.61)
        =-90-arctan35-arctan3.5-arctan933.333333-arctan4.124926+arctan116.666667+arctan32.987747
        =-90-1.542233-arctan3.5-arctan933.333333-arctan4.124926+arctan116.666667+arctan32.987747
        =-90-1.542233-1.292497-arctan933.333333-arctan4.124926+arctan116.666667+arctan32.987747
        =-90-1.542233-1.292497-1.569725-arctan4.124926+arctan116.666667+arctan32.987747
        =-90-1.542233-1.292497-1.569725-1.332956+arctan116.666667+arctan32.987747
        =-90-1.542233-1.292497-1.569725-1.332956+1.562225+arctan32.987747
        =-90-1.542233-1.292497-1.569725-1.332956+1.562225+1.540491
        =-91.542233-1.292497-1.569725-1.332956+1.562225+1.540491
        =-92.83473-1.569725-1.332956+1.562225+1.540491
        =-94.404455-1.332956+1.562225+1.540491
        =-95.737411+1.562225+1.540491
        =-94.175186+1.540491
        =-92.634695
    答案:-90-arctan(0.1*350)-arctan(0.01*350)-arctan(350/0.375)-arctan(350/84.85)+arctan(350/3)+arctan(350/10.61)=-92.634695
    注：弧度制

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