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