A) ( 150 X 35 X 10 )

Câu 1.

a) ( 150 x 35 x 10 ) : 25

b) ( 450 x 480 x 44 ) : ( 15 x 12 x 11 )

= ( 450 : 15 ) x ( 480 : 12 ) x ( 44 : 11 )

= ( 150 : 25 ) x ( 35 x 10 )

= 6 x 350

= 30 x 40 x 4

= 2100

= 4800