456:2*18 + 456:3 - 102
= 228 * 18 + 152 - 102
= 4104 + 152 - 102
= 4104+ 50
= 4154
1482:x + 23= 80
1482: x = 80- 23
1482 : x= 57
x= 1482: 57
x= 26
học tốt!
456 :2 *18 +456:3 _102
=228x18+(456:3)-102
=4164+152-102
=4154
1482 :x +23 =80
=1482:x=80-23
=>1482:x=57
=>x=1482:57
=>x=26
chúc bạn hok tốt
\(1482:x+23=80\)
\(1482:x=80-23\)
\(1482:x=57\)
\(x=1482:57=26\)