There is document - Un petit peu de calcul mental … 75×12 75 × 10 + 75 × 2 = 750 + 150 = 900 75 × 4 × 3 = 300 × 3 = 900 70 × 12 + 5 × 12 = 840 + 60 = 900 available here for reading and downloading. Use the download button below or simple online reader.
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