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a fost răspuns

c)3supra16 +3supra16+...+3supra16(5termeni) e)1supra10+1supra10+...1supra10(50de termeni) d) 1supra5+1supra5+...+1supra5!(10termeni)f) 5supra23+5supra23+...+5supra23(100de termeni) ​