Any question ? Wibisono Sukmo Wardhono, ST, MT http://wibiwardhono.lecture.ub.ac.id
1 = 1 1 + 2 = 3 1 + 2 + 3 = 6 1 + 2 + 3 + 4 = 10 1 + 2 + 3 + 4 + 5 = 15 1 + 2 + 3 + 4 + ... + n = ? Wibisono Sukmo Wardhono, ST, MT http://wibiwardhono.lecture.ub.ac.id
1 + 3 + 5 + 7 + ... = n2 n 1 2 3 4 ... 5 7 2n-1 Wibisono Sukmo Wardhono, ST, MT http://wibiwardhono.lecture.ub.ac.id
1.21 + 2.22 + 3.23 + 4.24 + ... + 50.250 = ... Berapa digit terakhir dari hasil penjumlahan di atas? Wibisono Sukmo Wardhono, ST, MT http://wibiwardhono.lecture.ub.ac.id
ℛ2 ℛ1 ℛ2 ℛ1 o GOD Health Chance Well-education Enough food human Wonderful pair Cheers Etc. GOD ℛ2 ℛ1 o Wibisono Sukmo Wardhono, ST, MT http://wibiwardhono.lecture.ub.ac.id