can you solve this please 1²-2²+3²-4²+5²-6²+7²-8². plëåßè....
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1
Answer:
-36
Step-by-step explanation:
1²-2²+3²-4²+5²-6²+7²-8²
1-4+9-16+25-36+49-64
-3-7-11-15
-36
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