Tugas Kelas 7C 9Segitiga)

Mohon untuk Mengirim Jawaban Satu kali saja.
Kalau sudah ada pesan "Terima kasih!
Jawaban Anda sedang dikoreksi. ..dst " setelah anda meng-klik kirim / submit dibawah nomor 30, berarti jawaban anda sudah terkirim.
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