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a) 49 - 9 . [ 34 : 31 - ( 12 - 4 ) : 22 ]
= 49 - 9 . [ 33 - 8 : 22 ]
= 49 - 9 . [ 33 -23 : 22 ]
= 49 - 9 . [ 33 - 2 ]
= 49 - 9 . [ 27 - 2 ]
= 49 - 9 . 25
= 49 - 225 = -176
b) 4.52 + 16 : 22
= 4. 25 + 24 : 22
= 100 + 22 = 100+ 4 =104
--tho--là tớ💋
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
32.(-39)+16.(-22)
=32.(-39)+16.2.(-11)
=32.(-39)+32.(-11)
=32.(-39+-11)
=32.-50
=-1600
![](https://rs.olm.vn/images/avt/0.png?1311)
32.(-39)+16.(-22)
= 16.2.(-39)+16.(-22)
= 16.(-78)+16.(-22)
= 16.[(-78)+(-22)]
= 16.(-100)
= -1600
\(32.\left(-39\right)+16.\left(-22\right)=2.16.\left(-39\right)+16\left(-22\right)\)
\(=16.\left(-78\right)+16\left(-22\right)\)
\(=16.\left(-78-22\right)\)
\(=16.\left(-100\right)=-1600\)
![](https://rs.olm.vn/images/avt/0.png?1311)
\(32.\left(-39\right)+16.\left(-22\right)=16\left(-39.2-22\right)=16.\left(-100\right)=-1600\)
![](https://rs.olm.vn/images/avt/0.png?1311)
Ta có: \(32.\left(-39\right)+16.\left(-22\right)\)
\(=16.2.\left(-39\right)+16.\left(-22\right)\)
\(=16.\left(-78\right)+16.\left(-22\right)\)
\(=16.\left[\left(-78\right)+\left(-22\right)\right]\)
\(=16.\left(-100\right)\)
\(=-1600\)
![](https://rs.olm.vn/images/avt/0.png?1311)
![](https://rs.olm.vn/images/avt/0.png?1311)
a,32.(-39+16.(-22))
=32.(-39+-352)
=32.(-391)
=-12512
b,44.(-36)+22.(-28)
=22.2.(-36)+22.(-28)
=22.(-72)+22.(-28)
=22.(-72+-28)
=22.(-100)
=-2200
![](https://rs.olm.vn/images/avt/0.png?1311)
1.
156.72+156.28
=156.(72+28)
=156.100
=15600
2.
32.(-39)+16.(-22)
=16.2.(-39)+16.(-22)
=16.[2.(-39)+(-22)]
=16.(-100)
=-1600
3.
-1945-(567-1945)
=-1945-567+1945
=-1945+1945-567
=0-567
=-567
4.
184.33+67.184
=184.(33.67)
=184.100
=18400
5.
44.(-36)+22.(-28)
=2.22.(-36)+22.(-28)
=22.[2.(-36)+(-28)]
=22.(-100)
=-2200
học tốt nhé
(-|-32|)+|5|
=-32+5
=-27
(-|22|)+(-|16|)
=-22+-16
=-38
(-|-32|)+|5|
=-32+5
=-27
(-|-22|)+(-|16|)
=-22+-16
=-38