a.X : 15 = 16 ( dư 3 )
X = 16x15+3
X =243
b, 154 : x = 38 ( dư 2 )
x =( 154 - 2 ) : 38
x = 152 : 38
x = 4
\(a,x:15=16\left(dư3\right)\)
\(x=16\times15+3\)
\(x=240+3\)
\(x=243\)
\(b,154:x=38\left(dư2\right)\)
\(x=\left(154-2\right):38\)
\(x=152:38\)
\(x=4\)
a.x : 15 = 16 ( dư 3 )
x = 16 x 15 + 3
x = 243.
b.154 : x = 38 ( dư 2 )
x = ( 154 - 2 ) : 38
x = 152 : 38
x = 4.
\(a,\) \(x:15=16\) (dư \(3\))
\(x=\) \(16\times15+3\)
\(x=240+3\)
\(x=243\)
\(b,\) \(154:x=38\) (dư \(2\))
\(x= (154-2) :38\)
\(x=152:38\)
\(x=4\)