수학 트릭(암산 연습) (100+) PRO

Beschreibung

수학 트릭: x + y x - y x * y x / y x * 11 x * x x = 15, 25, 35, 45, 55, 65 .. x * 5 x * 9 x * 4 x / 5 1000 - x x * y y = 2, 4, 8 2 ^ x x + y y = 91 ~ 109, 191 ~ 209, 291 ~ 309 .. x - y y = 91 ~ 109, 191 ~ 209, 291 ~ 309 .. x * y x,y = 10 ~ 19 x * x x = 11 ~ 99 x1x2 * y1y2 x1 = y1 = 1 ~ 9, x2 + y2 = 10 23 * 27, 59 * 51, 37 * 33, 68 * 62 .. x * x x = 50 ~ 59 x * x x = 40 ~ 49 x * y x,y = 11, 21, 31, 41, 51, 61, 71, 81, 91 x% -> y x * x x = 100 ~ 109

Fixed some bugs

Informationen

Anbieter

Antoni Ion

Kategorie

Education

Version

1.8

Erfordert

iOS 10.0+

Größe

30.0 MB

Altersfreigabe

4+