A. 11/14 + 1/21b. 9/11 + 5/12c. 5/9 + 5/7 By Admin ReiPosted on October 29, 2022 A. 11/14 + 1/21b. 9/11 + 5/12c. 5/9 + 5/7 Penjelasan dengan langkah-langkah: