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7.7.7 = 7^3
7.35.7.25 = 7^2*35^2
2.3.8.12.24=2*3*2*2*2*3*2*2*2*2*2*3 = 2^9*3^3
x.x.y.y.x.y.x = x^3*y^3
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
100.10.10.10 = 100. 103 hoặc 100.10.10.10 = (10.10).10.10.10 = 105.
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 7 . 7 . 7 . 7 . 7 = 7 5
b) 3 . 3 . 3 . 3 . 9 = 3 . 3 . 3 . 3 . 3 2 = 3 6
c) 15 . 3 . 5 . 15 = 15 . 15 . 15 = 15 3
d) 100 . 10 . 10 . 1000 = 10 2 . 10 . 10 . 10 3 = 10 7
a, 2.2.10.10.5 = 2.(2.5).10.10 = 2.10.10.10 = 2.10^3
b, 3.5.27.125 = 3.5.3^3.5^3 = 3^4.5^4
c, 2.3.12.12.3 = 2.3.3.2^2.3.2^2.3 = 2^5.3^4
d, 2.3.8.12.24 = 2.3.2^3.3.2^2.2^3.3 = 2^9.3^3
A)2.2.10.10.5=2.(2.5).10.10
=2.10.10.10=21.103
B) 3.5.27.125=3.5.(9.3).(25.5)
=3.5.3.3.3.5.5.5=3.3.3.3.5.5.5.5=34.54
C) 2.3.12.12.3=2.3.(4.3).(4.3).3
=2.3.2.2.3.2.2.3.3=2.2.2.2.2.3.3.3.3=25.34
Đ)2.3.8.12.24=2.3.(2.2).(3.4).(6.2)
=2.3.2.2.3.2.2.3.2.2=27.33