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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban rezky050905
15.L1=£×r×r=22/7×7×7
=154/7×7=1078/7=154:2=77
L2=22/7×3.5×3.5=77/7×3.5
=269.5/7=38.5
JadiL1-L2=77-38.5=38.5(D)
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