Zadanie w załączniku : )
2x√1,75-√63/√7=√1,75x4-√9x7/√7=√7-3√7/√7=√7/√7-3√7/√7=1-3=minus2
/ kreska ułamkowa
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2x√1,75-√63/√7=√1,75x4-√9x7/√7=√7-3√7/√7=√7/√7-3√7/√7=1-3=minus2
/ kreska ułamkowa