tolong nomor 15 dan 16, menggunakan cara kerjA

https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231https://sebuahcatatan.live/as/catatanbrain/tugas/2133231

Source https://sebuahcatatan.live/as/catatanbrain/tugas/2133231