`#3107.101107`

`-564 + [(-724) + 564 + 224]`

`= -564 - 724 + 564 + 224`

`= (-564 + 564) + (-724 + 224)`

`= -500`

\(-564+\left[\left(-724\right)+564+224\right]\)

\(=-564-724+564+224\)

\(=\left(-564+564\right)+\left(-724+224\right)\)

\(=0-500=-500\)

=-564+(-724)+564+224

=(-724)+224

=-500

= -564 - 724 + 564 + 224

= (-564+564)-(724-224)

= -500

-564+[(-724)+564+224]

=(-564)+(-724)+564+224

=[(-564)+564]+[(-724)+224

= 0 + (-500) = -500

564+[(-724)+564+224]

=(-564)+(-724)+564+224

=[(-564)+564]+[(-724)+224

= 0 + (-500) = -500

(-564)+[(-724)+564+224]

=[(-564)+564]+[(-724)+224]

=0+(-500)

=-500

(-564)+[(-724)+564+224]

=(-564)+[(-178)+224]

=(-564)+46

=-518

-879 + [64 + (-879) + 36]

= -879 + 64 - 879 + 36

= (-879 - 879) + (64 + 36)

= -1768 + 100 = -1668

-564 + [(-724) + 564 + 224

= -564 -724 + 564 + 224

= (-564 + 564) + (-724 + 224)

= 0 - 500 = - 500

a. 3.(-5)²+2.(-6)⁰-56:7

=3.25+2.1-8

=69

b) 564+(-724)+564+224

=564.2+(-724+224)

=1128+(-500)

=628

c) (-8).25.(-2).4.(-5).125

=(-8.125).(25.4).(-2.-5)

=-1000.100.10

=-1000000

a: \(=32+140:70-49=32+2-49=34-49=-15\)

b: \(=408-\left[20:4+9\right]:2=408-7=401\)

c: \(=-564-724+564+224=-500\)

mk ns 1 cách mà mk cho là nhanh nhất nek 

lấy mấy tính ra mà bấm

Bài làm

   -564 + [ ( -724 ) + 564 + 224 ]

= -564 + ( -724 ) + 564 + 224

= [ ( -564 ) + 564 ] + [ ( -724 ) + 224 ) ]

=             0             +       ( - 500 )

= -500

# Chúc bạn học tốt #

\(a)-564+\left[(-724)+564+224\right]\)

\(=-564+(-724)+564+224\)

\(=\left[(-564)+564\right]+\left[(-724)+224\right]\)

\(=0+(-500)=-500\)

Câu 1: 

a: =126+5=131

b: =-564-724+564+224=-500

c: =3x25+2-8

=75+2-8

=77-8

=69

d: =1024:32+140:70-49

=32-49+2

=-15

`-564-(324-564-224)`

`=-564-324 + 564 + 224`

`=(-564 + 564) + (- 324 +224)`

`= 0 -100`

`=-100`

= - 564 - 342 + 564 + 224 

= -118

- 564 - ( 324 - 564 - 224)

= -564 - 324 + 564 + 224

= ( -564 + 564) - ( 324 - 224)

= 0 - 100

= - 100