pa sagot po kaylanga ko po

1.(6+12)+(5+7)=(5+7)+(6+12)
2.(8×6)×5=5×(6×8)
3.10+40=40+10
4.20+(36+50)=(20+36)+50
5.8×(10+5)=(_×19)+(7×_)
sorry po Hindi ko po alam Yung panglima pero po Sana makatulong