\(23+3x=5^6:5^3\)
\(23+3x=125\)
\(\Rightarrow3x=125-23=102\)
\(\Rightarrow x=102:3=34\)
\(\Rightarrow x=34\)
\(23+3x=5^6:5^3\)
\(23+3x=5^3=125\)
\(3x=125-23=102\)
\(x=102:3=34\)
Tìm số tự nhiên x, biết: 23 + 3x = 56 : 53
Tìm x ∈ N , biết.
a) 3 x + 1 : 3 4 = 81
b) 3 x + 3 . 3 x + 1 = 729
c) 2 x + 3 . 2 x = 128
d) 23 + 3 x = 5 6 : 5 3
e) 2 x + 2 x + 4 = 272
Tìm x ∈ N, biết.
a, 3 x + 1 : 3 4 = 81
b, 3 x + 3 . 3 x + 1 = 729
c, 2 x + 3 . 2 x = 128
d, 23 + 3 x = 5 6 : 5 3
e, 2 x + 2 x + 4 = 272
56 : 53 + 23 . 22
17 + ( -20 ) + 23 + ( -26 ) + ... + 53 + ( -56 )
17 + (-20 )+ 23 + ( -26)+ ........ + 53 + 56
17 + (-20 )+ 23 + (-26) + ...... + 53 +( -56)
17 + (-20 )+ 23 + (-26) + ...... + 53 +( -56)
17+(-20)+(23+9-26)+...+53+(-56)
f 17+(-20)+23+(-26)+...+53+(-56)
