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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
=0.5775+2.475/10*6/10+0.825*3/10*4/10*5/10
=0.5775+0.2475*6/10+0.825*3/10*4/10*5/10
=0.5775+1.485/10+0.825*3/10*4/10*5/10
=0.5775+0.1485+0.825*3/10*4/10*5/10
=0.5775+0.1485+2.475/10*4/10*5/10
=0.5775+0.1485+0.2475*4/10*5/10
=0.5775+0.1485+0.99/10*5/10
=0.5775+0.1485+0.099*5/10
=0.5775+0.1485+0.495/10
=0.5775+0.1485+0.0495
=0.726+0.0495
=0.7755 答案:(1-0.175)*7/10+(1-0.175)*3/10*6/10+(1-0.175)*3/10*4/10*5/10=0.7755你的问题在这里没有得到解决?请到 热门难题 里面看看吧!