14 2 " 16 2 " 18 2 " 20 2 " 22 2 " 24 3 " 21 3 " 24 3 " 27 3 " 30 3 " 33 3 " 36 4 " 28 4 « 32 4 " 36 4 " 40 4 « 44 4 " 48 5 " 35 5 " 40 5 " 45 5 " 50 5 " 55 5 The American Primary School Arithmetic: Designed for the Use of Pupils in ... - Σελίδα 40 των James Robinson (Jr.) - 1851 - 96 σελίδες Πλήρης προβολή -
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