Question

( 45 . 5 ) . ( 37 . 2 ) . 10

3121 chia 51

giúp mình với

 

Answer 1

( 45 . 5 ) . ( 37 . 2 ) . 10

= ( 45 . 37 ) . ( 5 . 2 ) .10

 = 1665 . 10 .10 

= 1665 . ( 10 .10 )

= 1665 . 100

= 1665 . 100

= 166500

3121 : 51 = 61 dư 10

Answer 2

a: \(=45\cdot10\cdot37\cdot10=45\cdot37\cdot100=166500\)

b: =61 dư 10