a) 1298 - 483873 : ( x + 740 ) = 682 - 333 : 9
1298 - 483873 : ( x + 740 ) = 682 - 37
1298 - 483873 : ( x + 740 ) = 645
483873 : ( x + 740 ) = 1298 - 645
483873 : ( x + 740 ) = 653
( x + 740 ) = 483873 : 653
x + 740 = 741
x = 741 - 740
x = 1
b ) 370 + 389 . ( 293 - x ) = 110457
389 . ( 293 - x ) = 110457 - 370
389 . ( 293 - x ) = 110087
( 293 - x ) = 11087 : 389
293 - x = 283
x = 293 - 283
x = 10
Học tốt nhé###
\(a,1298-483873:(x+740)=682-333:9\)
\(\Leftrightarrow1298-483873:(x+740)=682-37\)
\(\Leftrightarrow1298-483873:(x+740)=645\)
\(\Leftrightarrow483873:(x+740)=653\)
\(\Leftrightarrow x+740=741\Leftrightarrow x=1\)
Vậy x = 1
Bài cuối cũng tương tự
a ) \(1298-483873:\left(x+740\right)=682-333:9\)
\(1298-483873:\left(x+740\right)=645\)
\(483873:\left(x+740\right)=1298-645=653\)
\(x+740=483873:653=741\)
\(x=741-740=1\)
Vậy x = 1
Phần b tương tự
a/ 1298- 483873 : ( x + 740 ) = 682 - 333 : 9
1298 - 483873 : ( x + 740 ) = 682 - 37
1298 - 483873 : ( x + 740 ) = 645
483873 : ( x + 740 ) = 1298 - 645
483873 : ( x + 740 ) = 653
x + 740 = 483873 : 653
x + 740 = 741
x = 741 - 740
x = 1
Vậy x = 1.
b/ 370 + 389 .( 293 - x ) = 110457
389 .( 293 - x ) = 110457 - 370
389 .( 293 - x ) = 110087
293 - x = 110078 : 389
293 - x = 283
x = 293 - 283
x = 10
Vậy x = 10.
Hok tốt .
a/ 1298- 483873 : ( x+740)= 682-333:9
=>1298- 483873 : ( x+740)= 682-37
=>1298- 483873 : ( x+740)=645
=> 483873 : ( x+740)=1298 - 645
=> 483873 : ( x+740)=653
=> ( x+740) =483873 : 653
=> x+740 =741
=> x =741-740
=> x =1
b/ 370+ 389.( 293-x) = 110457
=> 389.( 293-x) = 110457-370
=> 389.( 293-x) = 110087
=> ( 293-x) = 110087:389
=> 293-x = 283
=> x = 293-283
=> x = 10
