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☆算术计算1题
〖1/1算式〗
作业:求算式 348.13×(tan(45-15.2/2)*tan(45-15.2/2))-2×13.24×tan(45-15.2/2) 的值.
题型:数学计算
解:
348.13×(tan(45-15.2/2)*tan(45-15.2/2))-2×13.24×tan(45-15.2/2)
=348.13×(tan37.4*tan(45-15.2/2))-2×13.24×tan(45-15.2/2)
=348.13×(tan37.4*tan37.4)-2×13.24×tan(45-15.2/2)
=348.13×0.095088-2×13.24×tan(45-15.2/2)
=348.13×0.095088-2×13.24×tan37.4
=348.13×0.095088-2×13.24×-0.308363
=33.102985-2×13.24×(-0.308363)
=33.102985-26.48×(-0.308363)
=33.102985-(-8.165452)
=41.268437 答案:348.13×(tan(45-15.2/2)*tan(45-15.2/2))-2×13.24×tan(45-15.2/2)=41.268437 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!