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〖1/1算式〗
作业:求算式 (180/19+892/99)*(180/19-892/99)+(180/19-892/99)*(180/19-892/99)/180/19-60/11-32/9 的值.
题型:数学计算
解:
(180/19+892/99)*(180/19-892/99)+(180/19-892/99)*(180/19-892/99)/180/19-60/11-32/9
=18.483785*(180/19-892/99)+(180/19-892/99)*(180/19-892/99)/180/19-60/11-32/9
=18.483785*0.463583+(180/19-892/99)*(180/19-892/99)/180/19-60/11-32/9
=18.483785*0.463583+0.463583*(180/19-892/99)/180/19-60/11-32/9
=18.483785*0.463583+0.463583*0.463583/180/19-60/11-32/9
=8.568769+0.463583*0.463583/180/19-60/11-32/9
=8.568769+0.214909/180/19-60/11-32/9
=8.568769+0.001194/19-60/11-32/9
=8.568769+0.000063-60/11-32/9
=8.568769+0.000063-5.454545-32/9
=8.568769+0.000063-5.454545-3.555556
=8.568832-5.454545-3.555556
=3.114287-3.555556
=-0.441269 答案:(180/19+892/99)*(180/19-892/99)+(180/19-892/99)*(180/19-892/99)/180/19-60/11-32/9=-0.441269你的问题在这里没有得到解决?请到 热门难题 里面看看吧!