If 256 enveloped letters were sent by truck, and 141 were sent by plane, how many more letters were sent by truck than plane? Readers answer this and other postal-related math problems.
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Bahasa Inggeris ● Format PDF ● Halaman-halaman 16 ● ISBN 9781448841172 ● Penerbit The Rosen Publishing Group, Inc ● Diterbitkan 2009 ● Muat turun 3 kali ● Mata wang EUR ● ID 8667790 ● Salin perlindungan Adobe DRM
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