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24/-36.12/19 - 4/6.7/19 + 2022^0
= 24/36.-12/19 - 4/6.7/19 + 2022^0
=4/6.-12/19-4/6.7/19+1
=4/6.(-12/19-7/19)+1
=4/6.-1+1
=-4/6+1
=2/6
=1/3
![](https://rs.olm.vn/images/avt/0.png?1311)
24.(56-45)+56.(-24-45)
= 24.56-24.45-56.24-56.45
= (24.56-56.24)-(24.45+56.45)
= 0-45.(24+56)
= -45.80
= -3600
24 . (56 - 45) + 56(-24 - 45)
= 24 . 56 - 24 . 45 + 56 . (-24) - 56 . 45
= [24 . 56 + 56 . (-24)] - (24 . 45 + 56 . 45)
= 56 . [24 + (-24)] - 45(24 + 56)
= 56 . 0 - 45 . 80 = 0 - 3600 = -3600
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
125.(-48)+25.48
=-125.48+25.48
=48.(-125+25)
=48.100
=4800
-2017-(68-2017)
=-2017-68+2017
=-2017+(-68)+2017
=(-2017+2017)+-68
=0+-68
=-68
(-6-2).(-6+2)
=[-6+(-2)].(-4)
=(-8).(-4)
=32
k nah bn...^_^...thanks♥
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a) -6 (20-32) -(-85+19)
=-6 (-12)+85+19
=72+85+19
=176
b) -3x.68-68.7
=68.7-(-3x)
=68.7+3x
=476+3x
=479x
![](https://rs.olm.vn/images/avt/0.png?1311)
7: =-1+8=7
6: \(=-\left(8\cdot125\right)\cdot\left(2\cdot5\right)\cdot\left(25\cdot4\right)=-1000000\)
5: =-50+19+143+79-25-48
=-75+98+95
=23+95
=118
4: =37x9+17x9-35x9-35x11
=18+153-385
=-214
![](https://rs.olm.vn/images/avt/0.png?1311)
3: =187-23-20+180
=367-43
=324
4: \(=37\cdot9+17\cdot9-35\cdot9-35\cdot11=19\cdot9-385\)
\(=171-385=-214\)
5: =-50+19+143+79-25-48
=-75+94+95
=20+94
=114
24 x 68 + 48 x 19 = 1632 + 912
= 2544
24 x 68 + 48 x 19 = 1632 + 912
= 2544