Rumus-Rumus Praktis Pangkat Angka Ajaib 5

015^2 =00 225 = ( 1 *0 2).5^2

025^2 =00 625 = ( 2 *0 3).5^2

035^2 =0 1225 = ( 3 *0 4).5^2

045^2 =0 2025 = ( 4 *0 5).5^2

055^2 =0 3025 = ( 5 *0 6).5^2

065^2 =0 4225 = ( 6 *0 7).5^2

075^5 =0 5625 = ( 7 *0 8).5^2

085^5 =0 7225 = ( 8 *0 9).5^2

095^2 =0 9025 = ( 9 * 10).5^2

105^2 = 11025 = (10 * 11).5^2

Rumus umum : (a5)^2 = (a * (a + 1)).5^2

51^2 = 2601 = (5^2 + 1).1^2

52^2 = 2704 = (5^2 + 2).2^2

53^2 = 2809 = (5^2 + 3).3^2

54^2 = 2916 = (5^2 + 4).4^2

55^2 = 3025 = (5^2 + 5).5^2

56^2 = 3136 = (5^2 + 6).6^2

57^2 = 3249 = (5^2 + 7).7^2

58^2 = 3364 = (5^2 + 8).8^2

59^2 = 3481 = (5^2 + 9).9^2

Rumus umum : (5a)^2 = (5^2 + a).a^2