Question

Tính thuận tiện  2,85 : 0,01 + 2,85 x 8

Answer 1

`2,85 : 0,01 + 2,85 xx 8`

`= 2,85 xx 100 + 2,85 xx 8`

`= 2,85 xx (100+8)`

`= 2,85 xx108`

`=307,8`

Answer 2

`2,85:0,001+2,85xx8`

`=2,85xx100+2,85xx8`

`=2,85xx(100+8)`

`=2,85xx108`

`=307,8`

Answer 3

2,85 :0,01 + 2,85 x 8

= 2,85 x 100 + 2,85 x 8

= 285 x (100 + 8)

= 2,85 x 108

= 307,8