2 3/4÷1,25×1 3/5= Tlong dbantu lg kk bilangan operasi campuran dgn cra kerjax

2 3/4 : 1,25 × 1 3/5
= 2 3/4 : 1 1/4 × 1 3/5
= 11/4 : (5/4 × 8/5)
= 11/4 : 40/20
= 11/4 × 20/40
=220/160
= 1 6/16
=1 3/8