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https://catalinabirsan.com/2019/02/21/adunarea-si-scadera-cu-1-8-fise-numara-coloreaza-si-scrie-in-casute-numerele-potrivite/
Adunarea si scaderea cu 1 . 8 fise. Numara, coloreaza si scrie in casute, numerele potrivite