\(\frac{125^4+25^{17}}{25^{23}+390625}\)
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![](https://rs.olm.vn/images/avt/0.png?1311)
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(\(\frac{121}{122}\). \(\frac{123}{125}\)) .(\(\frac{1995}{1996}\).\(\frac{17}{16}\)- \(\frac{21}{25}\):\(\frac{16}{17}\)).(\(\frac{42}{30}\).\(\frac{75}{23}\)-\(\frac{19}{23}\).\(\frac{210}{38}\))
= (121/122 . 123/125) . ( 1995/1996 . 17/16 - 21/25 : 16/ 17) . 0
= 0
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-57.11=-627
(+12).(+15)=180
(37-17).(5)+23.(-13-17)=-590
(-4).(+125).(-25).(-6).(-8)=60000
k nha
-57*11=627
12*25=300
(37-17)*5+23*(-13-17)=-665
(-5)*125*(-25)*(-6)*(-8)=750 000
![](https://rs.olm.vn/images/avt/0.png?1311)
1) 125.(-24) + 24.225.
\(=24\left(-125+225\right)=24.100=2400.\)
2) 512.(2 – 128) – 128. (-512).
\(=512\left(2-128+128\right)=512.2=1024.\)
![](https://rs.olm.vn/images/avt/0.png?1311)
(-17) + 42 +(-183) + 58
=[(-17)+(-183)] + (42+58)
=(-200) + 100
=(-100)
cho mik rùi mik giải tiếp
( -17 ) + 42 + ( -183 ) + 58
= ( -17 ) + ( -183 ) + ( 42 + 58 )
= -200 + 100
= -100
125 ( -21 ) + 21 . 225
= 125 ( -21 ) - ( -21 ) 225
= -21 ( 125 - 225 )
= -21 . ( -100 )
= 2100
37 ( 13 - 5 ) - 13 ( 37 - 5 )
= 37.13 -37.5 - 13.37 - 13.5
= ( 37.13 - 13.37 ) - ( 37.5 + 13.5 )
= 0 - 5 ( 37 + 13 )
= 0 - 5. 50
= -250
25 - 25 \(\orbr{ }\)23 + 7( -59 + 56 ) + \(|\)-12\(|\):( -4 )
25 -25 ( 23 + 7 . -3 ) + 12 : (-4)
25 - 25 . -2 + -3
= 25 -( -50 ) + ( -3 )
= 72