First, it's 3/4: a crotchet note counts for 1 beat, a quaver counts for 1/2 beat and a minim counts for 2 beats; Athe bar contains 3 beats in total.
Second, there are 3 voices in this bar: 2 voices for bass clef, 1 voice for treble.
Third, how to play with your right and left hand:
- The right-hand plays a crotchet (d2) countscount for 1 beat.
The left-hand "plays" the crotchet rest and half of the minim (b) simultaneously count for 1 beat. - The right-hand plays 2 quaver notes (g1 and #f1) count for 1 beat.
The left-hand plays half of the minim (d1) and the left half minim note (b) simultaneously count for 1 beat. - The right-hand plays the last crotchet note (g1) for 1 beat.
The left-hand plays the left half minim (d1) and the crotchet (b) simultaneously count for 1 beat.