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![](https://rs.olm.vn/images/avt/0.png?1311)
\(a.\)
\(34.\left(-84\right)+17.\left(-32\right)\)
\(=17.\left(-168\right)+17.\left(-32\right)\)
\(=17.\left(-168+-32\right)\)
\(=17.\left(-200\right)\)
\(=-3400\)
\(b.\)
\(4524+\left(-864\right)+9999+\left(-36\right)+\left(-8999\right)\)
\(=\left[4524+\left(-864\right)\right]+\left[9999+\left(-8999\right)\right]+\left(-36\right)\)
\(=3660+1000+\left(-36\right)\)
\(=4624\)
\(c.\)
\(1000+\left(-137\right)+263+\left(-572\right)+\left(-291\right)\)
\(=\left[263+\left(-572\right)+\left(-291\right)\right]+1000+\left(-137\right)\)
\(=\left(-600\right)+1000+\left(-137\right)\)
\(=400+\left(-137\right)\)
\(=263\)
\(d.\)
\(\left(-329\right)+15+\left(-101\right)+440+\left(-25\right)\)
\(=\left[15+\left(-25\right)\right]+\left[440+\left(-101\right)+\left(-329\right)\right]\)
\(=\left(-10\right)+10\)
\(=0\)
![](https://rs.olm.vn/images/avt/0.png?1311)
a: =4524-864-36+9999-8999
=4524-900+1000
=4624
b: =1000+(-137-572-291)+263
=1263-1000=263
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a) 4524-(864-999)-(36+3999)
= 4524-(-135)-4035
= 4659-4035
= 624
b) 1000-(137+572)+(263-291)
= 1000-709+(-28)
= 291+(-28)
= 263
c) -329+(15-101)-(25-440)
= (-329)+(-86)-(-415)
= (-415)-(-415)
= 0
tick nha
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a, 4524 - 864 + 999 - 36 - 3999
= 4524 - ( 864 + 36 ) + ( 999 - 3999)
= 4524 - 900 +( -3000)
= 624
=1000-137-572+263-291
=(1000-137-572-291)+263
=0+263
=263
c,c, 4524 - (846 - 999) - ( 36+3999)
=4524-846+999-36-3999
=(4524-846-36)+(999-3999)
=3642-3000
=642Chuc ban hoc tot !
a) 34.(-84) + 17.(-32)
= 17.2.(-84) + 17 .(-32)
= 17. (-168) + 17.(-32)
= 17.(-168 - 32)
= 17. (-200)
= -3400
b) 4524 + (-864) + 9999 + (-36) + ( -8999)
= 4524 - 864 + 9999 - 36 - 8999
= 3660 + (9999 - 8999) - 36
= 3660 + 1000 - 36
= 4624
c) 1000 + (-137) + 263 + (-572) + (-291)
= 1000 - 137 + 263 - 572 - 291
= 263
d) (-329) + 15 + (-101) + 440 + (-25)
= 15 - 329 - 101 + 440 - 25
= 0