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☆算术计算1题
〖1/1算式〗
作业:求算式 (1-0.175)*7/10*(1-0.175)*3/10*6/10+(1-0.175)*3/10*4/10*5/10 的值.
题型:数学计算
解:
(1-0.175)*7/10*(1-0.175)*3/10*6/10+(1-0.175)*3/10*4/10*5/10
=0.825*7/10*(1-0.175)*3/10*6/10+(1-0.175)*3/10*4/10*5/10
=0.825*7/10*0.825*3/10*6/10+(1-0.175)*3/10*4/10*5/10
=0.825*7/10*0.825*3/10*6/10+0.825*3/10*4/10*5/10
=5.775/10*0.825*3/10*6/10+0.825*3/10*4/10*5/10
=0.5775*0.825*3/10*6/10+0.825*3/10*4/10*5/10
=0.476437*3/10*6/10+0.825*3/10*4/10*5/10
=1.429311/10*6/10+0.825*3/10*4/10*5/10
=0.142931*6/10+0.825*3/10*4/10*5/10
=0.857586/10+0.825*3/10*4/10*5/10
=0.085759+0.825*3/10*4/10*5/10
=0.085759+2.475/10*4/10*5/10
=0.085759+0.2475*4/10*5/10
=0.085759+0.99/10*5/10
=0.085759+0.099*5/10
=0.085759+0.495/10
=0.085759+0.0495
=0.135259 答案:(1-0.175)*7/10*(1-0.175)*3/10*6/10+(1-0.175)*3/10*4/10*5/10=0.135259你的问题在这里没有得到解决?请到 热门难题 里面看看吧!