6.
a)
= 6 . 2 . 5 . 5
= 6.5.2.5 = 30 . 10 = 300
b)
= 704 : 64 = 11
c)
= 2 . 2 . 7 . 7
= 4 . 49 = 196
d)
= 43 = 4 . 4 . 4 = 16 . 4 = 64
a) \(12\cdot5^2=12\cdot25=300\)
b) \(704:8^2=704:64=11\)
c) \(2^2\cdot7^2=\left(2\cdot7\right)^2=14^2=196\)
d) \(\left(96:24\right)^3=4^3=64\)
a) \(6^3:3^3=\left(6:3\right)^3=2^3=8\)
\(\left(6:3\right)^3=2^3=8\)
`=>` \(6^3:3^3=\left(6:3\right)^3\)
b) \(102:5^2=102:25=\dfrac{102}{25}\)
\(\left(10:5\right)^2=2^2=4\)
`=>` \(102:5^2>\left(10:5\right)^2\)
\(6a.12.5^2=12.25=375\)
\(b.704:8^2=704:64=11\)
\(c.2^7.7^2=128.49=6272\)
\(d.\left(96:24\right)^3=4^3=64\)
\(7a.6^3:3^3\) và \(\left(6:3\right)^3\)
\(216:27\) và \(2^3\)
\(8=8\)
\(b.102:5^2\) và \(\left(10:5\right)^2\)
\(102:25\) và \(2^2\)
\(4,08>4\)
6.a) 12⋅52=12⋅25=300
b) 704:82=704:64=11
c) 22⋅72=(2⋅7)2=142=196
d) (96:24)3=43=64
7.a) 63:33=(6:3)3=23=8
102:52=102:25=10225
(10:5)2=22=4
⇒ 102:52>(10:5)2
b) 32, 33, 34 , 35.
