180 : { 300 : [ 450 - ( 4 . 5³ - 2² . 25 )]}

= 180 : { 300 : [ 450 - ( 4 . 125 - 4 . 25 )]}

= 180 : { 300 : [ 450 - ( 500 - 100 )]}

= 180 : { 300 : 50 }

= 180 : 6

= 30

180: ( 300: ( 450 - (4 x 5³ - 2²x 25)))

=180: ( 300: ( 450 - ( 500 - 100 )))

=180: ( 300: ( 450 - 400 ))

=180: ( 300: 50)

\(180:\left\{300:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}\\ =180:\left\{300:\left[450-\left(4.125-4.25\right)\right]\right\}\\ =180:\left\{300:\left[450-\left(500-100\right)\right]\right\}\\ =180:\left\{300:\left[450-400\right]\right\}\\ =180:\left\{300:50\right\}\\ =180:6\\ =30\)

\(180:\left\{300:\left[450-\left(4.5^3-2^2.25\right)\right]\right\}\\ =180:\left\{300:\left[450-\left(4.125-4.25\right)\right]\right\}\\ =180:\left\{300:\left[450-\left(4.100\right)\right]\right\}\\ =180:\left\{300:\left[450-400\right]\right\}\\ =180:\left\{300:50\right\}\\ =180:6\\ =30\)

\(a,3^3+3^2-\left(2^7:2^5+7^8:7^7\right)=27+9-\left(2^2+7\right)=36-11=25\)

\(b,27.77+27.27-27=27\left(77+27-1\right)=27.103=2781\)

\(c,52:\left(43-30\right)+144-16=52:13+128=4+128=132\)

\(f,3^2.101-3^2.101^0=3^2\left(101-101^0\right)=9\left(101-1\right)=9.100=900\)

a.=27+9-(2^2+7^1)                                                 =36-(4+7)                                                               =36-11                                                                   =25

3³+3²-(2⁷:2⁵+7⁸:7⁷)

=27+9-(2²+7)

=36-(4+7)

=36-11

=25

b.bạn tự lm nha

c.52:(43-30)+144-16

=52:13+144-16

=4+144-16

=148-16

=132

d.174:{2[36+(4²-23)]}

=174:{2[36+(16-23)]}

=174:{2[36+-7]}

=174:{2.29}

=174:58

=3

T là ng hỏi mà>

x là dấu .

\(a,245-96+6\)

\(=155\)

\(b,=23\times\left(65+35\right)\)- 360

\(=23\times100-360\)

\(=1940\)

\(c,3^3+3^2-\left(2^2+7\right)\)

\(3^3+3^2-\left(4+7\right)\)

=\(3^3+3^2-11\)

=\(27+9-11\)

a,245 - 12.8 + 18:3

=155

b,23.65+23.35-360

=23.(65+35) -360

=2300 - 360=1940

c,3³+3²-(2⁷:2⁵+7⁸:7⁷)

=3³+3² 

a) 450 – ( 25 – 10) = 450 – 15

                   = 435

450 – 25 – 10 = 425 – 10

                   = 415

b) 180 : 6 : 2 = 30 : 6

                   = 15

180 : ( 6 : 2 ) = 180 : 3

                   = 60

c) 410 – (50 +30) = 410 -80

                   = 330

410 - 50 + 30 = 360 + 30

                   = 390

d) 16 x (6 : 3) = 16 x 2

                   = 32

16 x 6 : 3 = 96 : 3

                   = 32

\(a,2^{300}=\left(2^3\right)^{100}=8^{100}\)

\(3^{200}=\left(3^2\right)^{100}=9^{100}\)

Vì \(8^{100}< 9^{100}\) nên \(2^{300}< 3^{200}\)

\(b,8^5=32768\)

\(6^6=46656\)

Vì \(32768< 46656\) nên \(8^5< 6^6\)

\(c,3^{450}=\left(3^3\right)^{150}=27^{150}\)

\(5^{300}=\left(5^2\right)^{150}=25^{150}\)

Vì \(27^{150}>25^{150}\) nên \(3^{450}>5^{300}\)

#Ayumu

\(a)4\cdot8\cdot16^2=2^2\cdot2^3\cdot\left(2^4\right)^2=2^5\cdot2^8=2^{13}\\ b)4^3\cdot64=\left(2^2\right)^3\cdot2^6=2^6\cdot2^6=2^{12}\\ c)3^4\cdot9\cdot27^2=3^4\cdot3^2\cdot\left(3^3\right)^2=3^4\cdot3^2\cdot3^6=3^{12}\\ d)16^2\cdot9^4=\left(2^4\right)^2\cdot\left(3^2\right)^4=2^8\cdot3^8=\left(2\cdot3\right) ^8=6^8\\ e)25\cdot5\cdot125=5^2\cdot5\cdot5^3=5^6\\ g)81\cdot3^3=3^4\cdot3^3=3^7\\ h)125^2\cdot25^4=\left(5^2\right)^2\cdot\left(5^2\right)^4=5^4\cdot5^8=5^{12}\\ i)4^2\cdot25=4^2\cdot5^2=\left(4\cdot5\right)^2=20^2\)

a)4⋅8⋅162=22⋅23⋅(24)2=25⋅28=213b)43⋅64=(22)3⋅26=26⋅26=212c)34⋅9⋅272=34⋅32⋅(33)2=34⋅32⋅36=312d)162⋅94=(24)2⋅(32)4=28⋅38=(2⋅3)8=68e)25⋅5⋅125=52⋅5⋅53=56g)81⋅33=34⋅33=37h)1252⋅254=(52)2⋅(52)4=54⋅58=512i)42⋅25=42⋅52=(4⋅5)2=202