Simple operation 48 * 5 / 6 + 1 / 6, 3 / 7 + 3 / 7 * 48

Simple operation 48 * 5 / 6 + 1 / 6, 3 / 7 + 3 / 7 * 48


48 * 5 / 6 + 1 / 6
=40 + 1 / 6
=40 and 1 / 6
3 / 7 + 3 / 7 * 48
=3 / 7 * (1 + 48)
=3 / 7 * 49
=21



1995 + 1994 + 1993-1992-1991-1990 + 1989 + 1988 + 1987-1986-1985-1984 +. + 9 + 8 + 7-6-5-4 + 3 + 2 + 1


It's very simple. Change the position and then calculate, (1995-5) + (1994-4) + (1993 + 7) 1990 + (1989 + 1) + (1988 + 2) + (1987 + 3)