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它支持数学函数（包括三角函数）。
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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 arctan(0.77*21)+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183) 的值.
题型：数学计算
解:
arctan(0.77*21)+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-1.565564+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-1.565564+1.204407-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-1.565564+1.204407-0.366899
=91.509032-1.126377-0.206992-0.397628-1.565564+1.204407-0.366899
=90.382655-0.206992-0.397628-1.565564+1.204407-0.366899
=90.175663-0.397628-1.565564+1.204407-0.366899
=89.778035-1.565564+1.204407-0.366899
=88.212471+1.204407-0.366899
=89.416878-0.366899
=89.049979
答案:arctan(0.77*21)+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)=89.049979
注：弧度制
☆算术计算1题
〖1/1算式〗
作业：求算式 arctan(0.77*21)+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183) 的值.
题型：数学计算
解:
arctan(0.77*21)+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan(21*0.1241)-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan(21*0.0183)
=arctan16.17+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-arctan2.1-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-arctan0.21-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-arctan0.42-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-arctan191.1+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-1.565564+arctan2.6061-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-1.565564+1.204407-arctan0.3843
=1.509032+90-1.126377-0.206992-0.397628-1.565564+1.204407-0.366899
=91.509032-1.126377-0.206992-0.397628-1.565564+1.204407-0.366899
=90.382655-0.206992-0.397628-1.565564+1.204407-0.366899
=90.175663-0.397628-1.565564+1.204407-0.366899
=89.778035-1.565564+1.204407-0.366899
=88.212471+1.204407-0.366899
=89.416878-0.366899
=89.049979
答案:arctan(0.77*21)+90-arctan(0.1*21)-arctan(0.01*21)-arctan(0.02*21)-arctan(21*9.1)+arctan(21*0.1241)-arctan(21*0.0183)=89.049979
注：弧度制
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