25.5.4.31.2
=(25.4).(5.2).31
=100.10.31
=31000
a: \(=1000\cdot363=363000\)
b: \(=100\cdot10\cdot31=31000\)
- 3.125.121.8
= ( 125 . 8 ) . ( 121 . 3 )
= 1000 . 363
= 363 000
- 25.5.4.31.2
= ( 25 . 4 ) . ( 5. 2 ) . 31
= 100 . 10 . 31
= 31 000
- 3.125.121.8
= ( 125 . 8 ) . ( 121 . 3 )
= 1000 . 363
= 363 000
- 25.5.4.31.2
= ( 25 . 4 ) . ( 5. 2 ) . 31
= 100 . 10 . 31
= 31 000