0.133循环加0.244循环加0.355循环加0.577循环加0.688循环等于多少?
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因为:
0.133333...=(13-1)/90=12/90
=2/15
0.244444...=(24-2)/拆培90=22/90
=11/45
0.35555...=(35-3)/90=32/90
=16/45
0.5777...=(57-5)/90=52/90
=26/45
0.6888...=(68-6)/90=62/90
=31/45
所以:扒御携
0.133333+0.2444...+0.3555...+0.57777...0.688888...
=2/15+11/45+16/45+26/45+31/45
=(4+11+16+26+31)/春伏45
=88/45
0.133333...=(13-1)/90=12/90
=2/15
0.244444...=(24-2)/拆培90=22/90
=11/45
0.35555...=(35-3)/90=32/90
=16/45
0.5777...=(57-5)/90=52/90
=26/45
0.6888...=(68-6)/90=62/90
=31/45
所以:扒御携
0.133333+0.2444...+0.3555...+0.57777...0.688888...
=2/15+11/45+16/45+26/45+31/45
=(4+11+16+26+31)/春伏45
=88/45
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