21 x 56 - x = 1000
1176 - x = 1000
x = 1176 - 1000
x = 176
tk mk nha
21 x 56 - x = 1000
1176 - x = 1000
x = 1176 - 1000
x = 176
tk mk nha
21x 56 - x = 1000
1176 - x = 1000
x = 1176 - 1000
x = 176
\(21\times56-x=1000\)
\(1176-x=1000\)
\(x=176\)
21 x 56 - x = 100
1176 - x = 100
x = 1176 - 100
x = 176
21x56-x= 1000
1176-x = 1000
x = 1176-1000
x = 176
k nha
21 x 56 - x = 1000
1176 - x =1000
x = 1176 - 1000
x= 176
21x56-x=1000
1176-x=1000
x=1176-1000
x=176
21x56—x=1000
1176—x=1000
x=1176—1000
x=176
21 x 56 - x = 1000
1176 - x = 1000
x = 1176 - 1000
x = 176
21x56-x=1000
1176-x=1000
x=1176-1000
x=176
21 x 56 - x = 1 000
1 176 - x = 1 000
x = 1176 - 1000
x = 176
21 x 56 - x = 1000
1176 -x = 1000
x = 1176 -1000
x = 176
21x56-x=1000
1176-x=100
x=1176-100
x=176