5108:5106+20220-23:8
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\(2040-\left[10\left(4^3-56\right):2^3+2^3\right].2022^0\)
\(=2040-\left[10.8:2^3+2^3\right].1\)
\(=2040-\left(10+2^3\right)\)
\(=2040-18=2022\)
2040−[10(43−56):23+23].202202040−[10(43−56):23+23].20220
=2040−[10.8:23+23].1=2040−[10.8:23+23].1
=2040−(10+23)=2040−(10+23)
=2040−18=2022
![](https://rs.olm.vn/images/avt/0.png?1311)
a: \(\left(-150\right):\left(-5\right)-2\cdot5^2\)
\(=\dfrac{150}{5}-2\cdot25\)
=30-50
=-20
b: \(2040-\left[10\cdot\left(4^3-46\right):18+2^3\right]\cdot2022^0\)
\(=2040-\left[10\cdot\left(64-46\right):18+8\right]\)
\(=2040-\left[10\cdot18:18+8\right]\)
\(=2040-10-8=2030-8=2022\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Bài 1
a) 15 + 4.12 - 3²
=15 + 48 - 9
= 63 - 9
= 54
b) {[(37 + 13) : 5].2 - 45 : 5}.7 - 2022⁰
= [(50 : 5).2 - 9].7 - 1
= (10.2 - 9).7 - 1
= (20 - 9).7 - 1
= 11.7 - 1
= 77 - 1
= 76
Bài 2
a) 13x + 3 = 16
13x = 16 - 3
13x = 13
x = 13 : 13
x = 1
b) 2x - 138 = 2⁴ : 2³
2x = 2 + 138
2x = 140
x = 140 : 2
x = 70
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\(5108+471-108-236-414+529\)
\(=\left(5108-108\right)+\left(471+529\right)-\left(236+414\right)\)
\(=5000+1000-650\)
\(=6000-650\)
\(=5350\)
![](https://rs.olm.vn/images/avt/0.png?1311)
48 : 46 - 5 . [ ( -37 )-(-24-37) ] + 20220
=42-5(-37+24+37)+1
=16-5.24+1
=16-120+1
=-103
\(4^8:4^6\) \(-5.[(-37)-(-24-37)]+\) \(2022^o.\)
\(=4^2-5.\left(-37+24+37\right)+1.\)
\(=16-5.24+1.\\ =-103.\)
![](https://rs.olm.vn/images/avt/0.png?1311)
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\(\left[36\times4-4\times\left(82-7\times11\right)^2\right]:4-2022^0\\ =\left[144-4\times\left(82-77\right)^2\right]:4-1\\ =\left[144-4\times5^2\right]:4-1\\ =\left[144-4\times25\right]:4-1\\ =\left[144-100\right]:4-1\\ =44:4-1=11-1=10\)
\(5^{108}:5^{106}+2022^0-2^3:8=5^2+1-8:8=25+1-1=25\)
= 25