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three; 3
りんごを3つ買っかってきて。
Go buy 3 apples.
3時じに待ち合わせまちあわせだ。
We're meeting at 3 o'clock.
この数学すうがくの問題もんだいの答えこたえは3だと思うおもうよ。
I think the answer to this math problem is 3.