3. Sangano rembabvu mbiri Sangano rembabvu mbiri rinowanzozivikanwa sesangano redonje, iro rinoumbwa nemasangano maviri embabvu akasanganiswa.Iyo yembabvu mbiri inoruka inopa zvishwe zvemberi kumativi ese.Kuwedzera uye elasticity yeiyo mbiri mbabvu chimiro ndeye ...
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