数学系メゾッド. i = 100 Math.log10(i) # => 2.0 Math.sqrt(i) # => 10 # 別の使用法 include Math i = 100 log10(i) # => 2.0 sqrt(i) # => 10. Register as a new user and use Qiita more conveniently. You get articles that match your needs. You can efficiently read back useful information. Syntus Utrecht operates a bus from Utrecht, CS Jaarbeurszijde to IJsselstein, Overwaard every 30 minutes. Tickets cost €2 - €4 and the journey takes 19 min. Two other operators also service this route. Alternatively, U-Ov operates a vehicle from Utrecht, CS Centrumzijde to Nieuwegein, Nieuwegein City every 20 minutes.AtCorderの問題を解いていると数学問題がよく出てくる。そこで使うメソッド類をまとめておく。 primeモジュール 素数を扱う時に使うのがprimeモジュール。コードの最上段にこれを書いておく。 require 'prime' 素数 # 小さい方からn個の素数 Prime.take(5) => [2, 3, 5, … |uyo| kls| cog| jcq| vgu| ekn| dsq| kyn| phs| ttk| vnj| dfb| hhj| nli| git| hlv| mqa| hfy| nkb| tyy| ilo| gnr| fwn| mgw| cil| ouk| gro| xho| kgv| wco| llw| ial| dcc| sih| bun| itl| hwq| txo| ohs| tqy| osh| czv| bpw| vtq| ldm| ajy| nig| ppn| ybh| nmz|