Câu 4 : Bỏ ngoăc rồi tính
a) 173 - ( 36 + 27 ) + [ ( 175 - 173 ) - ( - 36 + 175 ) - 50 ]
b) - 428 - ( 176 - 2750 ) - [ 2750 - ( 176 + 482 ) ] - 147
c) [ ( 321 - 797 ) - ( - 371 + 1900 ) ] - 321 - [ 371 + ( - 797 ) ]
d) [ - ( 4625 + 1907 ) + ( - 164 + 4625 ) ] - [ ( 1243 - 1907 ) - 164 ]
GIÚP MINH NHA => MÌNH K
tính nhanh:
[(321-797)+(-321+697)]-371-[1900+(-371)]
-173-(36+173)+(175-27)-175-(-36+50)
\(-482-\left(176-482\right)-\left[2750-\left(176+2750\right)\right]\)
Tính bằng cách hợp lý
a, 5 - ( 1997 - 2005 ) +1997
b, 4567 +(1234 -4567 ) - 4
c, 173 - ( 36 + 173 ) + [( 175 - 27) -175 - (-36 +50 )]
d, 3 x ( 25 : 5 -14 : 2 ) -5 x ( 6 : 2 )
Tính nhanh
a) \(5-\left(1997-2005\right)+1997\)
b) \(1579-\left(53+1579\right)-\left(-53\right)\)
c) \(-48-\left(357-48\right)+300\)
d) \(173-\left(36+173\right)+[\left(175-27\right)-175-(-36+50)]\)
e) \(-[-171+\left(171+23\right)]-[172-\left(38+172\right)]-49\)
Giúp mik vs ạ
Tính nhanh
a) \(5-\left(1997-2005\right)+1997\)
b) \(1579-\left(53+1579\right)-\left(-53\right)\)
c) \(-48-\left(357-48\right)+300\)
d) \(173-\left(36+173\right)+\left[\left(175-27\right)-175-\left(-36+50\right)\right]\)
e) \(-\left[-171+\left(171+23\right)\right]-\left[172-\left(38+172\right)\right]-49\)
Làm ơn giúp mik vs ạ mik đag cần gấp!
\(\text{tính hợp lý 172-(36+172) (170+25)-170 275-(208+275) -432-(269-432) -371-[1920+(-317) (321-697)+(-321+597) }\)
Tính :
a . 27 : { 480 : [ ( 513 : 32 +19 ) +22 . 21 ] }
b . ( -1907 ) + ( 1907 - 605 )
c . - (76 + 159 ) + ( 159 +176 - 48 )
d . (3096 - 145 ) - (3096 - 445 )
173-(36-173)+[(125-27)-17-(-36+50)
