2*1-85.8\858+85.5\0.1 100*79+184*21+84*29 (七分之一+四十一分之五)*7-35\41 简便计算
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![2*1-85.8\858+85.5\0.1 100*79+184*21+84*29 (七分之一+四十一分之五)*7-35\41 简便计算](/uploads/image/z/186066-18-6.jpg?t=2%2A1-85.8%5C858%2B85.5%5C0.1+100%2A79%2B184%2A21%2B84%2A29+%28%E4%B8%83%E5%88%86%E4%B9%8B%E4%B8%80%2B%E5%9B%9B%E5%8D%81%E4%B8%80%E5%88%86%E4%B9%8B%E4%BA%94%EF%BC%89%2A7-35%5C41+%E7%AE%80%E4%BE%BF%E8%AE%A1%E7%AE%97)
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2*1-85.8\858+85.5\0.1 100*79+184*21+84*29 (七分之一+四十一分之五)*7-35\41 简便计算
2*1-85.8\858+85.5\0.1 100*79+184*21+84*29 (七分之一+四十一分之五)*7-35\41 简便计算
2*1-85.8\858+85.5\0.1 100*79+184*21+84*29 (七分之一+四十一分之五)*7-35\41 简便计算
2*1-85.8\858+85.5\0.1
=2-0.1+855
=856.09
100*79+184*21+84*29
=100*79+100*21+84*21+84*29
=100*(79+21)+84*(21+29)
=100*100+84*50
=10000+4200
=14200
(七分之一+四十一分之五)*7-35\41
=1/7*7+5/41*7-35/41
=1+35/41-35/41
=1+0
=1
1.05-1.7
=2.16-1.7
=0.46