👤

Adevărat sau fals (A/F)

•5/10+8/10-3/10=(5/10-3/10)+8/10
•7/8-(3/8+3/8)=7/8-3/8-3/8
•5/5-1/5+2/5=5/5-(1/5+2/5)
va rog repede.dau coroana​