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a: \(\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)=\left(-5\right)^5\)
b: \(\left(-2\right)\cdot\left(-2\right)\cdot\left(-2\right)\cdot\left(-3\right)\cdot\left(-3\right)\cdot\left(+3\right)=\left(-2\right)^3\cdot3^3\)
a) \(\left(-5\right)\left(-5\right)\left(-5\right)\left(-5\right)\left(-5\right)=\left(-5\right)^5\)
b)\(\left(-2\right)\left(-2\right)\left(-2\right)\left(-3\right)\left(-3\right)\left(+3\right)=\left(-2\right)^3\cdot\left(-3\right)^2\cdot3=\left(-2\right)^3\cdot3^3\)
c) \(\left(-7\right)\cdot7\cdot5\cdot\left(-5\right)\left(-5\right)=\left(-7^2\right)\cdot\left(-5\right)^3\)
d) \(\left(-8\right)\left(-3\right)3\cdot125=\left(-2^3\right)\cdot\left(-3^2\right)\cdot5^3\)
e) \(27\cdot\left(-2\right)3\left(-7\right)\cdot49=3^4\cdot\left(-2\right)\cdot\left(-7^3\right)\)
a: \(\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)\cdot\left(-5\right)=\left(-5\right)^5\)
b: \(\left(-2\right)\cdot\left(-2\right)\cdot\left(-2\right)\cdot\left(-3\right)\cdot\left(-3\right)\cdot\left(+3\right)=\left(-2\right)^3\cdot3^3\)
a) (-7)^5
b) (-4)^3.(-5)^3
c) (-2)^3.(-3)^3.5^3
d) 3^3.(-2)^3.(-7).7^2
a. (-2).(-2).(-2).(-2).(-2).(-2) = (-2)6
b. (-4).(-4).(-4).(-4).(-5).(-5).(-5).(-5) = (-4)4.(-5)4=204
c. (-8).(-3)3.(-27) = (-2)3.(-3)3.(-3)3 = (-2)3.93 = (-18)3
d. (+49).(+7).(-2)3.27 = 72.7.(-2)3.33 = 73.(-2)3.33 = (-42)3
a) (-2) . (-2) . (-2) . (-2) . (-2) . (-2)
= (-2)\(^6\)
b) (-4) . (-4) . (-4) . (-4) . (-5) . (-5) . (-5) . (-5)
= (-4)\(^4\). (-5)\(^4\)
c) (-8) . (-3)\(^3\). (-27)
= (-2) . (-2) . (-2) . (-27) . (-27)
= (-2)\(^3\) . (-27)\(^2\)
d) 49 . 7 . (-2)\(^3\). 27
= 7 . 7 . 7 . (-2)\(^3\). 3 . 3 . 3
= 7\(^3\). (-2)\(^3\). 3\(^3\)
chúc bạn học tốt!!!