564 (50 + 2) | = | + 564 |
= | + 1128 | |
= |
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![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
`-564-(324-564-224)`
`=-564-324 + 564 + 224`
`=(-564 + 564) + (- 324 +224)`
`= 0 -100`
`=-100`
![](https://rs.olm.vn/images/avt/0.png?1311)
`#3107.101107`
`-564 + [(-724) + 564 + 224]`
`= -564 - 724 + 564 + 224`
`= (-564 + 564) + (-724 + 224)`
`= -500`
\(-564+\left[\left(-724\right)+564+224\right]\)
\(=-564-724+564+224\)
\(=\left(-564+564\right)+\left(-724+224\right)\)
\(=0-500=-500\)
![](https://rs.olm.vn/images/avt/0.png?1311)
456+656+564+564+353
=1112+564+564+353
=1676+564+353
=2240+353
= 2593
![](https://rs.olm.vn/images/avt/0.png?1311)
-564+[(-724)+564+224]
=(-564)+(-724)+564+224
=[(-564)+564]+[(-724)+224
= 0 + (-500) = -500
![](https://rs.olm.vn/images/avt/0.png?1311)
(-564)+[(-724)+564+224]
=[(-564)+564]+[(-724)+224]
=0+(-500)
=-500
(-564)+[(-724)+564+224]
=(-564)+[(-178)+224]
=(-564)+46
=-518
![](https://rs.olm.vn/images/avt/0.png?1311)
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
![](https://rs.olm.vn/images/avt/0.png?1311)
\(-564-\left(324-564-224\right)\)
\(=-564-324+564+224\)
\(=\left(-564+564\right)+\left(-324+224\right)\)
\(=-100\)
![](https://rs.olm.vn/images/avt/0.png?1311)
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
đáp án
=29328 nha
hok tốt
cho mik một k
Ko hiểu?????