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200-7×[(-25+4×7)-3×11-13)]

Răspuns :

200-7x[(-25+28)-33-13] = 200-7x(3-46) = 200-7x(-43) = 200 + 301 = 501
200-7*[(-25+28)-33-13]
200-7*3-46
200-21-46
179-46
133