tolong dong ya kk plis 2 sama 4

2 . 232kg + 68 kg = 300 kg
300÷15 = 20
4. 5,25 - 2 2/5 + 3 1/2
= 525/100 - 12/5 + 7/2
= 525/100 - 240 /100 + 350 /100
= 735/100 = 7,35
Maaf kalo salah