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a, |-37| + (-|15|) = 37 - 15 = 12
b, (-|-32|) +|5| = -32 + 5 = -27
c, (-|-22|) + (-|16|) = -22 - 16 = -38
d, (-23) + 13 + (-17) + 57 = 30
e, 14 + 6 + (-9) + (-14) = -3
g, (-123) +|-13| + (-7) = -123 + 13 + (-7) = -117
h, |0| + |45| + (-|-455|) + |-796| = 0 + 45 - 455 + 796 = 386
![](https://rs.olm.vn/images/avt/0.png?1311)
a) \(\left(-23\right)+13\left(-17\right)+57\)
\(=\left(-23\right)+\left(-221\right)+57\)
\(=-23-221+57\)
\(=-\left(23+221\right)+57\)
\(=-244+57\)
\(=-\left(244-57\right)\)
\(=-187\)
b) \(\left(-26\right)+\left(-6\right)+\left(-75\right)+\left(-50\right)\)
\(=-26-6-75-50\)
\(=-\left(26+6\right)-75-50\)
\(=-32-75-50\)
\(=-\left(32+75\right)-50\)
\(=-107-50\)
\(=-\left(107+50\right)\)
\(=-157\)
c) \(14+6+\left(-9\right)+\left(-14\right)\)
\(=14+6-9-14\)
\(=20-9-14\)
\(=11-14\)
\(=-3\)
d) \(\left(-123\right)+\left|13\right|+\left(-7\right)\)
\(=-123+13-7\)
\(=-\left(123-13\right)-7\)
\(=-110-7\)
\(=-\left(110+7\right)\)
\(=-117\)
e) \(\left|0\right|+\left|45\right|+\left(-\left|-455\right|\right)+\left|-796\right|\)
\(=0+45+\left(-455\right)-796\)
\(=45-455-796\)
\(=-410-796\)
\(=-\left(410+796\right)\)
\(=-1206\)
f) \(-\left|-33\right|+\left(-12\right)+18+\left|45-40\right|-57\)
\(=-33-12+18+\left|5\right|-57\)
\(=-\left(33+12\right)+18+5-57\)
\(=-45+18+5-57\)
\(=-\left(45-18\right)+5-57\)
\(=-27+5-57\)
\(=-\left(27-5\right)-57\)
\(=-22-57\)
\(=-\left(22+57\right)\)
\(=-79\)
![](https://rs.olm.vn/images/avt/0.png?1311)
( -23 ) + 105 = 105 - 23
= 82
78 + ( -123 ) = -( 123 - 78 )
= -45
( -23) + 13 = -( 23 - 13 )
= -10
( -23 ) + ( -13 ) = -( 23 + 13 )
= - 36
( -75 ) + ( -50 ) = -( 75 + 50 )
= -125
( -20 ) + | -88 | = ( -20 ) + 88
= 88 - 20
= 68
| -37 | + (-|15|) = 37 + ( -15 )
= 37 - 15
= 22
(-|-22|) + ( -|16|) = ( -22 ) + ( -16 )
= -38
( -23 ) + 13 + ( -17 ) + 57 = [(-23) + 13 ] + [(-17) + 57 ]
= 10 + 40
= 50
(-123) + |-13| + (-7) = (-123) + 13 + (-7)
= 110 + (-7)
= 103
|0| + |45| + (-|-455|) + |-796| = 0 + 45 + (-455) + 796
= [ 796 + (-455) ] + 45
= 341 + 45
= 386
Tui làm chi tiết lắm rồi đó ^_^
\(=-23-\left(-105\right)=82\)
\(=78-123=-45\)
\(=-23-\left(-13\right)=-10\)
\(=-36\)
\(=-125\)
\(=-20-\left(-88\right)=68\)
Phần dưới tự làm nha
![](https://rs.olm.vn/images/avt/0.png?1311)
a)|0|+|45|+(-|-455)|+|796|
= 0+45+(-455)+796
=45-455+796
=-410+796
=386
b)-|-33|+(-12)+18+|45-40|-57
=-33-12+18+|5|-57
=-45+18-5-57
=-33-5-57
=-38-57
=-95
c)|40-37|-|13-52|
=|13|-|-39|
=13-39
=-38
![](https://rs.olm.vn/images/avt/0.png?1311)
15) $|-18| + (-12)=18-12=6$
16) $17+ |-33|=17+33=50$
17) $(– 20) + |-88|=-20+88=68$
18) $|-3| + |5|=3+5=8$
19) $|-37| + |15|=37+15=52$
20) $|-37| + (-|15|)=37-15=22$
21) $(-|-32|) + |5| 22)(-|-22|)+ (-|16|)=-32+5.22-22=-32+4.22=-32+88=56$
23) $(-23) + 13 + ( - 17) + 57=-23+13-17=-40+13=-23$
24) $14 + 6 + (-9) + (-14)=14+6-9-14=6-9=-3$
25) $(-123) +|-13|+ (-7)=-123+13-7=-110-7=-117$
26) $|0|+|45|+(-|-455)|+|-796|=0+45-455+796=-410+796=386$
![](https://rs.olm.vn/images/avt/0.png?1311)
|0| + |45| + (-|-455)| + |-796|
= 0 + 45 - 455 + 796
= 386
-|-33 | + (-12) + 18 + |45 - 40| - 57
= -33 - 12 + 18 + 5 - 57
= -79
|40 - 37| - |13 - 52|
= |3| - |-39|
= 3 - 39
= -36
a)(-123)+|-13|+(-7)
=[(-123)+(-7)]+|-13|
=(-130)+13
=(-117)
b)|0|+|45|+(-|-455|)+|-796|
=[0+45+(-455)]+796
=(-410)+796
= 386
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