✨ Best Answer ✨
1/9=0.111111‥なので、
1/90=0.0111111‥
また、0.5=1/2
よって、0.511111‥
=1/2+1/90=45/90+1/90=46/90=23/45
✨ Best Answer ✨
1/9=0.111111‥なので、
1/90=0.0111111‥
また、0.5=1/2
よって、0.511111‥
=1/2+1/90=45/90+1/90=46/90=23/45
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