. . . 2018414 4 . 101. . rakutencard.Jp. . [] all about. Point 1 3.14 "three point one four". 3. . 3. . 44 . 44. ^^; . .

. . Bb . The b.B.Cards teaching method was devised by a classroom teacher in 1977, and the first cards were printed and introduced in 1980. Since then it has gained favor with a great number of teachers and students. . 1 0 oh ; doubletriple . . . 50 . .

. . 54,320,987. .

. ≫ 20181024. . B.B.. . ^^ . Card . [] 1 ()(carding machine). 2 . . . . 1. . 2 3 okpanda . wiki . . ; 1. 101. .

. . /// . ! . . . wiki . Wiki wiki . . Lr. Card . [] 1 ()(carding machine). 2 . 3. 3 . 1 2 . . 1100.