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A= -[506 + 732- (-2011)]-(506-1732)
A= -506 -732 + 2011 - 506 + 1732
A= ( 1732 - 732) - (506 - 506) + 2011
A= 1000 - 0 + 2011
A= 3011
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A=[-506+732-(2000)]-(506-1732)
A=[226+2000]-226
A=(226-226)+2000
A=2000
B=1037+{743-[1031-(+57)]}
B=1037+743-1031+57
B=(1037-1031)+(743+57).
B=6+800=806
C=(125.73-125.75):(-25.2)
C=125.(73-75):(-50)
C=125.(-2):(-50)
C=-250:(-50)=5
D=-25.(35+147)+35.(25+147)
D=-25.35+(-25).147+35.25+35.147
D=35(-25+25)+147(-25+35)
D=147.10=1470
E=125.9.(-4).(-8).25.7
E=125.9.4.8.25.7
E=(125.8).(25.4).(9.7)
E=1000.100.63
E=6300000
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a) [16+(-76)]+[137+(-77)]=
b) 371+371+(-517)+(-271)=
c)[732+(-732)]+[85+(-35)=
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A=-[(506+732)(-2000)]-(506-732)
A=-[1238.(-2000)]-(-226)
A=(-2476000)-(-226)
A=(-2476000)+226
A=-2475774
Vậy A =-2475774
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A = -[-506 + 732 - (-2000) ] - (506 - 1732)
= 506 - 732 - 2000 - 506 + 1732
= 1000 - 2000
= -1000
B = 1037 + {743 - [1031 - (+57) ] }
= 1037 + [743 - (1031 - 57)]
= 1037 + (743 - 974)
= 1037 + (-231)
= 806
C = (125 . 73 - 125 . 75) : (-25 . 2)
= 125 . (73 - 75) : (-2.25)
= 125 . (-2) : (-2) : 25
= 125 : 25 = 5
D = -25.(35 + 147) + 35. (25 + 147)
= -25.35 - 25.147 + 35.25 + 35.147
= 35.147 - 25.147 + (35.25 - 25.35)
= (35 - 25).147 + 0
= 10.147
= 1470
E = 125.9.(-4).(-8).25.7
= 125.(-8).25.(-4).9.7
= -1000.(-100).63
= 6300000
G = (-3)2 + (-5)3 : |-5|
= 9 + (-125) : 5
= 9 + (-25)
= -16
(589-732)-(589+2011-732)
= 589-732-589-2011+732
= (589-589)+(732-732)-2011
= 0+0-2011
=-2011
\(\left(589-732\right)-\left(589+2011-732\right)\)
\(=589-732-589-2011+732\)
\(=\left(589-589\right)+\left(-732+732\right)-2011\)
\(=-2011\)