(3x -48) .6 =3^2 . 2^2 + 2^3 . 3^2 - 12
(3x-48) .6 =3^2(2^2+2^3) -12
(3x-48) .6 =3^2.12-12
(3x-48) .6 =9.12-12
(3x-48) .6 =8.12
(3x-48) .6 =96
3x-48 =96:6
3x-48=16
3x=16+48
3x=64
x=64:3
x=64/3
(3x -48) .6 =3^2 . 2^2 + 2^3 . 3^2 - 12
(3x-48) .6 =3^2(2^2+2^3) -12
(3x-48) .6 =3^2.12-12
(3x-48) .6 =9.12-12
(3x-48) .6 =8.12
(3x-48) .6 =96
3x-48 =96:6
3x-48=16
3x=16+48
3x=64
x=64:3
x=64/3
Tìm x biết
\(219-7.\left(x+1\right)=100\)
\(\left(3x-6\right).3^{100}=3^{103}\)
\(x-5^6:5^3=2^3:2^2=0\)
\(2018^{x-3}=2018\)
BT1; Tính;
a,12-(8.22-4.23)
b,56:54+22.23
c,28.76+35.28-11.28
d,3.42-62:2
e,13.42+13.58-50:(32+42)
g,34:32+2.23
3x+3x+2+3x+3=35.37
32:(3x-2)=2^3
tìm x :
x.1+x.2+x.3+......x.10000
Đưa về 1 lũy thừa :
63;22;33
33:81:34
5n-2.5:52 [n>3]
giúp mình với
Giúp mị với!!! Mai mị nộp bài rồi!!!!!
a. (3 mũ 6 . 5 mũ 7 . 7 mũ 11) : (3 mũ 4 . 5 mũ 7 . 7 mũ 10)
b. (2 mũ 43 + 2 mũ 4) : (2 mũ 39 + 1)
c. 2 mũ 15 : 2 mũ 13 + 3 mũ 2 ✖ 2 mũ 3 - 5 mũ 2 - 2 mũ 0
Help me pleaseee!!!!
58: 252
49:642
1810:99
723x 542:1084
46x3495:612
213+25:21022
Chứng Minh : 3 n+3 +3n+1+2n+3+2n+2 chia hết cho 6 n thuộc N
Tính :
a, 12. 52
b, 704 : 822
c, 22. 722
d, (96:24)3