va rog am nevoie de ajutor urgent dau coroana si puncte multumesc!❤

1/2Kg+500g=500g+500g=1000g
2/4t+300kg=500kg+300kg=800kg
3/4kg-400g=750g-400g=350kg
3/4q-25kg=75kg-25kg=50kg
Sper ca te-am ajutat!