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Games with logic blocks. Jogos con blocos logicos. Spiele mit logischen Bloecken. (Portuguese)
Procirs. (1986) (no.7) p. 6.
Classification: E31 U61
1
Games with logical blocks. Jogos com blocos logicos. Spiele mit logischen Bloecken. (Portuguese)
Bol. Tec. PROCIRS. (Jan-Mar 1986) v. 2(5) p. 15.
Classification: U62 U63 U12 U13
2
Fractions - an activity of mathematics. Fracoes - uma atividade de matematica. Brueche im Unterricht. (Portuguese)
Bol. Tec. PROCIRS. (May-Jun 1985) v. 1(2) p. 12.
Classification: F43
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