Mathematics
Senior High
Solved
循環の問題なんですけど、なんで100X➖10Xなんですか?100X➖Xでは無い理由を教えて欲しいです!
(4) 3.97
(4) x=3.97 とおくと
x=3.9777......
10x=39.777......
(1)+(10x=39,777 + pdn (S)
+(
100x 397.777.....
100x-10x を計算すると
90x=358
358 179
よって
x=
=
すなわち
90 45
3.97-179
45
+(n+1)+(3+dod+(d+mdo (8)
100x=397.777......
10x=39.777.......
90x=358
解説
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ありがとうございます!わかりました!