Question

Przedstaw w postaci ułamka zwykłego 1,41(6)

Answer 1

41,7(9) x=41,79999999999 10x=417,99999999999 100x=4179,999999999999 100x-10x=4179-417 90x=3762 x=3762/90 x=1881/45 x=627/15 x=209/5 x=41⅘   2,1(52) x=2,152525252 10x=21,525252525 100x=215,252525 1000x=2152,52525252 1000x-10x=2152-21 990x=2131 x=2131/990 x=2 ¹⁵¹/₉₉₀       0,3(7) x=0,3777777777777 10x=3,7777777777777 100x=37,777777777777 100x-10x=37-3 90x=34 x=34/90 x=17/45

Answer 2

146  To tyle będzie
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1000