Формула: 𝑎𝑛 ∙ 𝑎𝑚 = 𝑎𝑛+𝑚 Примеры: 1) 4 ∙ 4 = 4 = 48 −3 5 −3+5 2) 4 ∙ 4 = 4 = 42 = 16 𝑎𝑛 : 𝑎𝑚 = 𝑎𝑛−𝑚 1)510 : 58 = 510−8 = 52 = 25 2) 52 : 5−2 = 52−(−2) = 54 = 625 (𝑎𝑛 )𝑚 = 𝑎𝑛∙𝑚 1)(23 )4 = 23∙4 = 212 2) (2−3 )2 = 2−3∙2 = 2−6 3) (2−3 )−5 = 2−3∙(−5) = 215 2 2 22 4 ( ) = 2= 3 3 9 (2 ∙ 3 ∙ 4)2 = 22 ∙ 32 ∙ 42 = 4 ∙ 9 ∙ 16 = 576 3 𝑎 𝑛 𝑎𝑛 ( ) = 𝑛 𝑏 𝑏 (𝑎 ∙ 𝑏 ∙ 𝑐)𝑛 = 𝑎𝑛 ∙ 𝑏 𝑛 ∙ 𝑐 𝑛 1 𝑎−𝑛 = 𝑛 𝑎 𝑛 5 3+5 1 1 3 1 27 1) 3−3 = 3 = 1 (−2)3 =− 1 ( ) 4 2 4 42 = ( ) = 2 = 16 1 1 Примеры: 1) 43 ∙ 45 = 43+5 = 48 2) 4−3 ∙ 45 = 4−3+5 = 42 = 16 𝑎𝑛 : 𝑎𝑚 = 𝑎𝑛−𝑚 1)510 : 58 = 510−8 = 52 = 25 2) 52 : 5−2 = 52−(−2) = 54 = 625 (𝑎𝑛 )𝑚 = 𝑎𝑛∙𝑚 1)(23 )4 = 23∙4 = 212 2) (2−3 )2 = 2−3∙2 = 2−6 3) (2−3 )−5 = 2−3∙(−5) = 215 2 2 22 4 ( ) = 2= 3 3 9 (2 ∙ 3 ∙ 4)2 = 22 ∙ 32 ∙ 42 = 4 ∙ 9 ∙ 16 = 576 𝑛 𝑎 −𝑛 𝑏 ( ) =( ) 𝑏 𝑎 𝑏𝑛 = 𝑛 𝑎 1 −4 1 1 3 1 27 1) 3−3 = 3 = 1 (−2)3 =− Формула: 𝑎𝑛 ∙ 𝑎𝑚 = 𝑎𝑛+𝑚 Примеры: 1) 4 ∙ 4 = 4 = 48 −3 5 −3+5 2) 4 ∙ 4 = 4 = 42 = 16 𝑎𝑛 : 𝑎𝑚 = 𝑎𝑛−𝑚 1)510 : 58 = 510−8 = 52 = 25 2) 52 : 5−2 = 52−(−2) = 54 = 625 (𝑎𝑛 )𝑚 = 𝑎𝑛∙𝑚 1)(23 )4 = 23∙4 = 212 2) (2−3 )2 = 2−3∙2 = 2−6 3) (2−3 )−5 = 2−3∙(−5) = 215 2 2 22 4 ( ) = 2= 3 3 9 (2 ∙ 3 ∙ 4)2 = 22 ∙ 32 ∙ 42 = 4 ∙ 9 ∙ 16 = 576 = 2) ( ) = 3 3 −3 2)(−2)−3 = ; Вычислите: 1) 56 ∙ 521 = 2) 3−20 ∙ 315 = 3) 8−2 ∙ 8−1 = 1)225 : 221 = 2) 6−2 : 66 = 3) 7−2 : 7−1 = 1)(4−2 )−2 = 2) (5−6 )2 = 3) (3−5 )−5 = 1 3 ( ) = 7 1)(2𝑎𝑏)5 = 2)(−3𝑎 −2 𝑏)3 1)5−3 = 2) (−4)−3 = 8 −2 1 ( ) 4 2 2 4 4 = ( ) = 2 = 16 1 1 1 −4 𝑎 𝑛 𝑎𝑛 ( ) = 𝑛 𝑏 𝑏 (𝑎 ∙ 𝑏 ∙ 𝑐)𝑛 = 𝑎𝑛 ∙ 𝑏 𝑛 ∙ 𝑐 𝑛 1 𝑎−𝑛 = 𝑛 𝑎 = 2) ( ) = 8 5 3+5 1 1 3 1 27 1) 3−3 = 3 = 1 (−2)3 =− ; 2)(−2)−3 = Примеры: 1) 43 ∙ 45 = 43+5 = 48 2) 4−3 ∙ 45 = 4−3+5 = 42 = 16 𝑎𝑛 : 𝑎𝑚 = 𝑎𝑛−𝑚 1)510 : 58 = 510−8 = 52 = 25 2) 52 : 5−2 = 52−(−2) = 54 = 625 (𝑎𝑛 )𝑚 = 𝑎𝑛∙𝑚 1)(23 )4 = 23∙4 = 212 2) (2−3 )2 = 2−3∙2 = 2−6 3) (2−3 )−5 = 2−3∙(−5) = 215 2 2 22 4 ( ) = 2= 3 3 9 (2 ∙ 3 ∙ 4)2 = 22 ∙ 32 ∙ 42 = 4 ∙ 9 ∙ 16 = 576 𝑎 −𝑛 𝑏 ( ) =( ) 𝑏 𝑎 𝑏𝑛 = 𝑛 𝑎 21 1 −4 1)( ) = 2) ( ) = 3 3 −3 8 Формула: 𝑎𝑛 ∙ 𝑎𝑚 = 𝑎𝑛+𝑚 𝑎 𝑛 𝑎𝑛 ( ) = 𝑛 𝑏 𝑏 (𝑎 ∙ 𝑏 ∙ 𝑐)𝑛 = 𝑎𝑛 ∙ 𝑏 𝑛 ∙ 𝑐 𝑛 1 𝑎−𝑛 = 𝑛 𝑎 Вычислите: 1) 5 ∙ 5 = 2) 3−20 ∙ 315 = 3) 8−2 ∙ 8−1 = 1)225 : 221 = 2) 6−2 : 66 = 3) 7−2 : 7−1 = 1)(4−2 )−2 = 2) (5−6 )2 = 3) (3−5 )−5 = 1 3 ( ) = 7 1)(2𝑎𝑏)5 = 2)(−3𝑎 −2 𝑏)3 1)5−3 = 2) (−4)−3 = 6 8 1 −2 4 2 42 ( ) = ( ) = 2 = 16 4 1 1 𝑎 −𝑛 𝑏 ( ) =( ) 𝑏 𝑎 𝑏𝑛 = 𝑛 𝑎 𝑛 1)( ) 3 3 −3 3 𝑛 1)( ) 8 Формула: 𝑎𝑛 ∙ 𝑎𝑚 = 𝑎𝑛+𝑚 𝑎 𝑛 𝑎𝑛 ( ) = 𝑛 𝑏 𝑏 (𝑎 ∙ 𝑏 ∙ 𝑐)𝑛 = 𝑎𝑛 ∙ 𝑏 𝑛 ∙ 𝑐 𝑛 1 𝑎−𝑛 = 𝑛 𝑎 21 8 −2 𝑎 −𝑛 𝑏 ( ) =( ) 𝑏 𝑎 𝑏𝑛 = 𝑛 𝑎 2)(−2)−3 = ; Вычислите: 1) 5 ∙ 5 = 2) 3−20 ∙ 315 = 3) 8−2 ∙ 8−1 = 1)225 : 221 = 2) 6−2 : 66 = 3) 7−2 : 7−1 = 1)(4−2 )−2 = 2) (5−6 )2 = 3) (3−5 )−5 = 1 3 ( ) = 7 1)(2𝑎𝑏)5 = 2)(−3𝑎 −2 𝑏)3 1)5−3 = 2) (−4)−3 = 6 1 1 3 1 27 1) 3−3 = 3 = 1 (−2)3 =− ; 2)(−2)−3 = Вычислите: 1) 56 ∙ 521 = 2) 3−20 ∙ 315 = 3) 8−2 ∙ 8−1 = 1)225 : 221 = 2) 6−2 : 66 = 3) 7−2 : 7−1 = 1)(4−2 )−2 = 2) (5−6 )2 = 3) (3−5 )−5 = 1 3 ( ) = 7 1)(2𝑎𝑏)5 = 2)(−3𝑎 −2 𝑏)3 1)5−3 = 2) (−4)−3 = 8 1 −2 4 2 42 ( ) = ( ) = 2 = 16 4 1 1 1 −4 1)( ) = 2) ( ) = 3 3 −3 8