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-23.63 + 23.21 - 58.23
= 23.-63 + 23.21 + 23.-58
= 23.(-63+21+-58)
=23.-100
=-2300
![](https://rs.olm.vn/images/avt/0.png?1311)
a)1125-374-1125-65+374
=(1125-1125)+(-374+374)-65
=0+0-65
=-65
a/ 1125-(374+1125)+(-65+374)
=1125-374+1125+(-65)+374
=[1125+1125]+[-374+374]+(-65)
=2250+0+(-65)
=2250+(-65)
=2185
b/ -23.63+23.21-58.23
=-23.(63+23-58)
=-23.28
=-644
![](https://rs.olm.vn/images/avt/0.png?1311)
\(-23\cdot63+23\cdot21-58\cdot23\)
\(=-23\left(63-21+58\right)\)
\(=-23\cdot100=-2300\)
![](https://rs.olm.vn/images/avt/0.png?1311)
-23.63+23.21-58.23
= 23. (-63) + 23.21 - 58.23
= 23.( -63 + 21-58)
= 23. (-100)
= -2300
-23.63+23.21-58.23=23.-63+23.21-58.23=23(-63+21-58)=23.-100=-2300
![](https://rs.olm.vn/images/avt/0.png?1311)
a,15+23+(-25)+(-23)=[ (-23)+23] +[(-25)+15] = 0+(-10)= -10
b,-23.63+23.21-58.23=23.(-63)+23.21-58.23=23.(-63+21-58)=23.(-100)=-2300
a)
15 + 23 + ( -25 ) + ( -23 )
= [ 15 + ( -25 ) ] + [ 23 + ( -23 ) ]
= -10 + 0
= -10.
b)
-23.63 + 23.21 - 58.23
= -23 . ( 63 - 21 + 58 )
= -23 . 100
= -2300.
![](https://rs.olm.vn/images/avt/0.png?1311)
\(\left(-23\right).63+23.21-58.23\)
\(=23.\left(-63+21-58\right)\)
\(=23.\left(-100\right)\)
\(=-2300\)
Có: -23.63+23.21-58.23
= 23. -63 + 23 . 21 - 58 . 23
= 23 ( -63 + 21 - 23 )
= 23 . -65
= -1495
![](https://rs.olm.vn/images/avt/0.png?1311)
-23.63+23.21+58.23
=23.(-63)+23.21+58.23
=23.(-63+21+58)
=23.16=368
\(-23.63+23.21-58.23\\ =23.\left(-63\right)+23.21-58.23\\ =23\left(-63+21-58\right)\\ =23.\left(-100\right)=-2300\)
-23 . 63 + 23 . 21 - 58 . 23
= 23 . (-63 + 21 - 58) = 23 . (-100) = -2300