Предмет: Математика, автор: MrsValeria2002

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Автор ответа: Krisgod
0
5.
а) у тебя верно
б)
в) 3√5-12+5-4√5= -√5-7
г) х²-25
д)11-2√66+6=17-2√66
е) 7+4√21+12=19+4√21
ж)2√2-1
6.
а) 1.8√2
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