4.5^2-32:2^4
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a: \(24\cdot35+65\cdot24-1400\)
\(=24\left(35+65\right)-1400\)
\(=24\cdot100-1400=2400-1400=1000\)
b: \(32:2^4-4\cdot5^2\)
\(=\dfrac{32}{16}-4\cdot25\)
=2-100
=-98
c: \(17+75:\left[30-5\cdot\left(7^2-48\right)\right]\)
\(=17+75:\left[30-5\cdot\left(49-48\right)\right]\)
\(=17+75:\left[30-5\right]\)
\(=17+\dfrac{75}{25}=17+3=20\)
d: \(\left(-138\right)-\left[258+4\cdot\left(-36\right)\right]\cdot2024^0\)
\(=-138-\left[258-144\right]\)
\(=-138-114\)
=-252
a) 4.52-32:24
b) 5871:\(\orbr{\begin{cases}\\\end{cases}}928-\left(247-82.5\right)\)
c) 777:7+1331:113
![](https://rs.olm.vn/images/avt/0.png?1311)
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a)160-(23.52-6.25)
160-(1196-150)
160-1046
-886
b)4.52-32:24
208-4/3
620/3
c)5871:(928-(247-82).5)
5871:(928-165.5)
5871:(928-825)
5871:103
57
A, 160-(2^3.5^2-6.25)
160-50
=110
=> 110= 2.5.7
B,4.5^2-32:2^4
=4.25-32:16
=100-2
=98
=>98=2.7^2
Cau c mk giong kq vs bn tren
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a) 49 - 9 . [ 34 : 31 - ( 12 - 4 ) : 22 ]
= 49 - 9 . [ 33 - 8 : 22 ]
= 49 - 9 . [ 33 -23 : 22 ]
= 49 - 9 . [ 33 - 2 ]
= 49 - 9 . [ 27 - 2 ]
= 49 - 9 . 25
= 49 - 225 = -176
b) 4.52 + 16 : 22
= 4. 25 + 24 : 22
= 100 + 22 = 100+ 4 =104
--tho--là tớ💋
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a) 352 + 48 : 23 . 3 -101
= 352 + 48 : 8 . 3 -101
= 352 + 6.3 -101
= 352 +18 - 101
= 370 -101
= 269
b) 34.52 + 48.34 -112
= 81 .52 + 48 .81 - 121
= 81.(52 + 48) - 121
= 81.100 - 121
= 8100 - 121
= 7979
c) 12 + (-13) + (-54) + 27
= [12 + (-13)] + [(-2).27 + 27.1]
= (-1) + [27.(-2 + 1)]
= (-1) + 27.(-1)
= (-1).(27 + 1)
= (-1).28
= (-28)
![](https://rs.olm.vn/images/avt/0.png?1311)
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4.(3x^3 + 1^10) = 4.5^2
=> 3x^3 + 1 = 5^2 = 25
=> 3x^3 = 24
=> x^3 = 8 = 2 ^3
=> x = 2
4.(3x^3 + 1^10) = 4.5^2
=> 3x^3 + 1 = 5^2 = 25
=> 3x^3 = 24
=> x^3 = 8 = 2 ^3
=> x = 2
4 . 52 - 32 : 24
= 4 . 25 - 32 : 16
= 100 - 2
= 98
#Học tốt!!!
~NTTH~
\(4.5^2-32:2^4\)
\(=4.25-32:16\)
\(=100-2\)
\(=98\)