[ 121 – 3 ( 2x – 1 ) ] . 4 mũ 5 = 4 mũ 6 26/07/2021 Bởi Ximena [ 121 – 3 ( 2x – 1 ) ] . 4 mũ 5 = 4 mũ 6
ko chắc đúng ! [ 121 – 3 ( 2x – 1 ) ] . 4 ^ 5 = 4 ^ 6 [ 121 – 3 ( 2x – 1 ) ] = 4^6 : 4^5 [ 121 – 3 ( 2x – 1 ) ] = 4 ^1 [ 121 – 3 ( 2x – 1 ) ] = 4 3 ( 2x – 1 ) = 121 – 4 3 ( 2x – 1 ) = 117 2x – 1 = 117 : 3 2x -1 = 39 2 x = 39 + 1 2 x = 40 x = 40 : 2 x = 20 Bình luận
@ từ người lạ [ 121 – 3 ( 2x – 1 ) ] . 4 ^ 5 = 4 ^ 6 [ 121 – 3 ( 2x – 1 ) ] = 4 ^1 3 ( 2x – 1 ) = 121 – 4 3 ( 2x – 1 ) = 117 2x – 1 = 117 : 3 2x -1 = 39 2 x = 39 + 1 2 x = 40 x = 40 : 2 x = 20 Bình luận
ko chắc đúng !
[ 121 – 3 ( 2x – 1 ) ] . 4 ^ 5 = 4 ^ 6
[ 121 – 3 ( 2x – 1 ) ] = 4^6 : 4^5
[ 121 – 3 ( 2x – 1 ) ] = 4 ^1
[ 121 – 3 ( 2x – 1 ) ] = 4
3 ( 2x – 1 ) = 121 – 4
3 ( 2x – 1 ) = 117
2x – 1 = 117 : 3
2x -1 = 39
2 x = 39 + 1
2 x = 40
x = 40 : 2
x = 20
@ từ người lạ
[ 121 – 3 ( 2x – 1 ) ] . 4 ^ 5 = 4 ^ 6
[ 121 – 3 ( 2x – 1 ) ] = 4 ^1
3 ( 2x – 1 ) = 121 – 4
3 ( 2x – 1 ) = 117
2x – 1 = 117 : 3
2x -1 = 39
2 x = 39 + 1
2 x = 40
x = 40 : 2
x = 20