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determina valuare necunoscutei :556-(8×t+4):(9+9:9-0)=2×3×4×2

Răspuns :

556-(8t+4)/10=48 (8t+4)/10 = 556-48=508 8t+4=508:10=50,8 8t = 50,8-4=46,8 t=(46,8)/8=5,85