95-(129-74):5+2022 mũ 0 cho mình xem cách giải với ạ
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95 - (129 - 74) : 5 + 2022⁰
= 95 - 55 : 5 + 1
= 95 - 11 + 1
= 95 - 10
= 85
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(-67) + 125 + (-33) + 75
= (125 + 75) - (67 + 33)
= 200 - 100
= 100
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86.(-108) + 86.9 - 86
= 86.(-108 + 9 - 1)
= 86.(-100)
= 8600
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left(-67\right)+125+\left(-33\right)+75\)
\(=\left[\left(-67\right)+\left(-33\right)\right]+\left(125+75\right)\)
\(=100+200=300\)
_______
\(86.\left(-108\right)+86.9-86\)
\(=86.\left[\left(-108\right)+9-1\right]\)
\(=86.\left(-100\right)=-8600\)
_______
\(23.\left(-16\right)-23.84+300\)
\(=23.\left[\left(-16\right)-84\right]+300\)
\(=23.\left(-100\right)+300\)
\(=-2300+300\)
\(=-2000\)
______
\(235-5\left[\left(5^3-3^3\right):14\right]\)
\(=235-5\left[\left(125-27\right):14\right]\)
\(=235-5\left[98:14\right]\)
\(=235-5.7\)
\(=235-35\)
\(=200\)
_______
\(95-\left(129-74\right):5+2022^0\)
\(=95-55:5+1\)
\(=95-11+1\)
\(=84+1=85\)
\(#NqHahh\)
![](https://rs.olm.vn/images/avt/0.png?1311)
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a. 99 - (-55) : 5 + \(2022^0\)
= 99 - (-11) + 1
= 110 +1
=111
b. = \(\left[\left(-35\right)+\left(-65\right)\right]+\left(127+73\right)\)
= -100 + 200
= 100
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 5x - 19 = 106
5x = 106 + 19
5x = 125
Mà 125 = 53
=> x = 3
Vậy x = 3
![](https://rs.olm.vn/images/avt/0.png?1311)
\(a,700:\left\{100-\left[40.2-\left(20.5\right):5\right]\right\}\\ =700:\left\{100-\left[80-20\right]\right\}\\ =700:40\\ =\dfrac{35}{2}.\)
Kiểm tra lại dấu phần \(b,\) .
=95- 55: 5+ 1
=95- 11+ 1
=84+ 1
=85