Question

( 120 x 2 - 50 x 3 ) : 30                       8 x 145 x 125

Answer 1

`(120xx2-50xx3):30`

`=(240-150):30`

`=90:30`

`=3`

`8xx145xx125`

`=(8xx125)xx145`

`=1000xx145`

`=145000`

Answer 2

`(120xx2-5xx3):30`

`=(240-15):30`

`=225:30`

`=7,5`

`8xx145xx125`

`=(8xx125)xx145`

`=1000xx145=145000`

Answer 3

( 120 x 2 - 50 x 3 ) : 30=(240-150):30=90:30=3

 8 x 145 x 125=1160x125=145000

 

Answer 4

`( 120 xx 2 - 50 xx 3 ) : 30`

`=(240-150):30`

`=90:30`

`=3`

`  8 xx145xx125`

`=(8xx125)xx145`

`=1000xx145`

`=145000