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Dasha8911
@Dasha8911
August 2022
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Решите пожалуйста номер 2 под цифрой 2
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saxvujf
A) -0,4²*2,5² = -1
б) 7ab-8cd+3ab-2cd = 10ab-10cd = (10*5*-0,4) - (10*0,6*15) = -20-90 = -110
в) -√-5²-2*-3 = -√-5²+6 = 5√6
г)4*3,5²-4*3,5+1 = 49-14+1 = 36
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Answers & Comments
б) 7ab-8cd+3ab-2cd = 10ab-10cd = (10*5*-0,4) - (10*0,6*15) = -20-90 = -110
в) -√-5²-2*-3 = -√-5²+6 = 5√6
г)4*3,5²-4*3,5+1 = 49-14+1 = 36