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aliJke
@aliJke
August 2022
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Вынесите общий множитель за скобки:
9a²b² - 12ab³ = ?
20x³y² + 4x²y = ?
7a²bc + 14ab²c = ?
9xyz² - 12xy²z = ?
Вычислите:
137²+ 137 * 63 = ?
187² - 187* 87 = ?
0,7³ + 0,7 * 9,51 = ?
0,9³ - 0,81 * 2,9 = ?
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Answers & Comments
nafanya2014
Verified answer
9a²b² - 12ab³ = 3ab²(3a-4b)
20x³y² + 4x²y = 4x²y(5xy+1)
7a²bc + 14ab²c = 7abc(a+2b)
9xyz² - 12xy²z = 3xyz(3z-4y)
Вычислите:
137²+ 137 ·63 = 137·(137+63)=137·200= 27 400
187² - 187·87 = 187·(187 - 87) = 187 ·100 = 18 700
0,7³ + 0,7 · 9,51 = 0,7·(0,7²+9,51)=0,7·(0,49+9,51)=0,7·10=7
0,9³ - 0,81 · 2,9 = 0,81·(0,9-2,9)=0,81·(-2)=-1,62
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Answers & Comments
Verified answer
9a²b² - 12ab³ = 3ab²(3a-4b)20x³y² + 4x²y = 4x²y(5xy+1)
7a²bc + 14ab²c = 7abc(a+2b)
9xyz² - 12xy²z = 3xyz(3z-4y)
Вычислите:
137²+ 137 ·63 = 137·(137+63)=137·200= 27 400
187² - 187·87 = 187·(187 - 87) = 187 ·100 = 18 700
0,7³ + 0,7 · 9,51 = 0,7·(0,7²+9,51)=0,7·(0,49+9,51)=0,7·10=7
0,9³ - 0,81 · 2,9 = 0,81·(0,9-2,9)=0,81·(-2)=-1,62