No.4 pake cara pls ya

6-1 2/5-2 1/5=5 5/5-1 2/5=4 3/5-2 1/5=2 4/5
maaf kalo salah

● total panjang bambu latif :
6m

● total yg digunakan :
= 1 2/5 + 2 1/5
= 7/5 + 11/5
= 18/5
= 3 3/5 m

● total yg tersisa :
= 6 - 3 3/5
= 6 - 18/5
= 30/5 - 18/5
= 12/5
= 2 2/5 m

semoga membantu =))