12 x 4 x ( a x 1 - a : 1 )
= 48 x ( a - a )
= 48 x 0
= 0
12 x 4 x ( a x 1 - a : 1 )
= 12 x 4 x ( a - a)
= 48 x ( a - a)
= 48 x 0
= 0
nha bn
00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 do
12 x 4 x ( a x 1 - a : 1 )
= 48 x a - a
= 48 x 0
= 0
~ Chúc bạn học tốt ~
12 x 4 x ( a x 1 - a : 1 )
= 48 x ( a - a )
= 48 x 0
= 0
12 x 4 x (a x 1 - a : 1 )
= 48 x a - a
= 48 x0
= 0
Đs: 0
12 x 4 x ( a x 1 - a : 1 )
= 12 x 4 x ( a - a )
= 48 x 0
= 0
12 x 4 x ( a x 1 - a : 1 )
= 48 x ( a - a )
= 48 x 0
= 0
12.4.(a.1-a:1)
=12.4.(a-a)
=12.4.0
=0
chúc bạn học tốtttttt