Question

负4又9分之7减负3又6分之1减2又9分之2加幅6又6分之1等于多少

Answer 1

=42/9 - (-17/6)-20/9+(-37/6)

=42/9+17/6-20/9-37/6

=(42/9-20/9)+(17/6-36/6)

=22/9-19/6

=44/18-57/18

=-13/18