1234-22=?
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a,-1911-(1234-1911)
=>-1911-1234+1911
=>-1234
b,32.(-39)+16.(-22)
=>16.2.(-39)+16.(-22)
=>16.(-78)+16.(-22)
=>16.(-100)
=-1600
li-----------ke nha
![](https://rs.olm.vn/images/avt/0.png?1311)
a. -1911-(1234-1911)
=-1911-1234+1911
=(-1911+1911)-1234
=0-1234=-1234
b.32.(-39)+16.(-22)
=16.2.(-39)+16.(-22)
=16.(-78)+16.(-22)
=16.{(-78)+(-22)}
=16.(-100)
=-1600
![](https://rs.olm.vn/images/avt/0.png?1311)
22=20+2
35=30+5
123=100+20+3
260=200+60+0
1234=1000+200+30+4
3563=3000+500+60+3
9870=9000+800+70+0
AB=A0+B
ABD=A00+B0+D
ABCD=A000+B00+C0+D
Tích cho tui nhé năn nỉ đó
22=20+2
35=30+5
123=100+20+3
260=200+60
1234=1000+200+30+4
3563=3000+500+60+3
9870=9000+800+70
AB=A0+B
ABD=A00+B0+D
ABCD=A000+B00+C0+D
![](https://rs.olm.vn/images/avt/0.png?1311)
1) -1911 -( 1234 -1911)
= -1911 - 1234 + 1911 = -1234
2) 156.72+ 28. 156
= 156.(72+28)
= 156. 100
= 15600
3)32. (-39) + 16.(-22)
= 16.2.(-39) + 16.(-22)
= 16. (-78) + 16.(-22)
= 16.[(-78) + (-22)]
= 16. (-100)
= -1600
4) -1954 - (567 - 1954)
= -1954 - 567 + 1954
= -567
5)184. 33 + 67. 184
= 184.(33+ 67)
= 184. 100
= 18400
6) 44. (-36) + 22. (-28)
= 22.2.(-36) + 22.(-28)
= 22.(-72) + 22.(-28)
= 22. [(-72)+ (-28)]
= 22. (-100)
= -2200
1) -1911 - (1234 - 1911)
= -1911 - 1234 + 1911
= (-1911 + 1911 ) + 1234
= 0 + 1234
= 1234
2) 156 . 72 + 28 . 156
= 156 . ( 72 + 28 )
= 156 . 100
= 15600
3) 32 . (-39) + 16 . (-22)
= [ 32 . (-39) ] + [ 16 . (-22) ]
= -1248 + (-352)
= - 1600
4) -1954 - (567 - 1954)
= -1954 - 567 + 1954
= (-1954 + 1954) + 567
= 0 + 567
= 567
5) 184 . 33 + 67 . 184
= 184 . (33 + 67)
= 184 . 100
= 18400
6) 44 . ( -36) + 22 . (-28)
= [ 44 . (-36) ] + [ 22 . (-28) ]
= -1584 + (-616)
= -2200
1234-22=1212
k mình nha bạn 7614534751437513457413757413752352451234754
1234-22= 1212