1-2+3-4+5-6+7-8+...-100
Matematika
difaayu979
Pertanyaan
1-2+3-4+5-6+7-8+...-100
1 Jawaban
-
1. Jawaban Anonyme
(1-2) + (3-4) + ... + (99-100)
= (-1) × 100/2
= -50