400 x 345 + 655 x 400
= 400 x ( 345 + 655 )
= 400 x 1000
= 400 000
400 x 345 + 655 x 400
= 400x ( 345 + 655 )
= 400 x 1000
= 400000
=400(345+655)=400x1000=400000
Tk mk nha thanks nhìu!!!!
400 x (345+655)
=400 x 1000
=400000
k mk nha thanks CHÚC BẠN HỌC TỐT !^^
\(400.345+655.400\)
\(=\)\(\left(400.345+655.400\right)\)
\(=400.\left(345+655\right)\)
\(=400.1000\)
\(=400000\)
