25 x 67 x 4 = ( 25 x 4) x 67 = 100 x 67 = 6700
125 x 2 x 4 = ( 125 x 4) x 2 = 500 x 2 = 1000
67 x 5 x 2 = 67 x ( 5x2) = 67 x 10 = 670
50 x 78 x 2= ( 50 x 2) x 78 = 100 x78 = 7800
25 x 67 x 4 = (25 x 4) x 67 = 100 x 67 = 6700
125 x 2 x 4 = ( 125 x 4 ) x 2 = 500 x 2 = 1000
67 x 5 x 2 = 67 x ( 5 x 2) = 67 x 10 = 670
50 x 78 x 2 = ( 50 x 2 ) x 78 = 100 x 78 = 7800
25x4x67=6700
125x2x4=1000
67x(5x2)=670
50x2x78=7800
`@ 25 xx 67 xx 4`
`= ( 25 xx 4 ) xx 67`
`= 100 xx 67`
`= 6700`
___________________
`@ 125 xx 2 xx 4`
`= ( 125 xx 4 ) xx 2`
`= 500 xx 2`
`= 1000`
_______________________
`@ 67 xx 5 xx 2`
`= 67 xx ( 5 xx 2 )`
`= 67 xx 10`
`= 670`
____________________
`@ 50 xx 78 xx 2`
`= ( 50 xx 2 ) xx 78`
`= 100 xx 78`
`= 7800`
25 x 67 x 4
= ( 25 x 4 ) x 67
= 100 x 67
= 6700
125 x 2 x 4
= ( 125 x 4 ) x 2
= 500 x 2
= 1000
67 x 5 x 2
= 67 x ( 5 x 2 )
= 67 x 10
= 670
50 x 78 x 2
= ( 50 x 2 ) x 78
= 100 x 78
= 7800