Quiz By Admin ReiPosted on October 28, 2022 – 5 + ( – 18 ) + 7 – 14 – ( – 9 ) Note : Kembalikan Bio kayak dulu lagi. Sekarang Bio dah gak ada ↓_↓ Quiz Penjelasan dengan langkah-langkah: -5 + (-18) + 7 – 14 – (-9) = -23 + 7 – 14 + 9 = -6 – 14 + 9 = -30 + 9 = -21