Question

tính bằng cách thuận tiện nhất 42,37+57,63+11,27+88,73 giúp mik với ạ

Answer 1

 42,37+57,63+11,27+88,73 +11,27+88,73 

= ( 42,37+57,63)+(11,27+88,73 )

= 100 + 100

=200

Answer 2

\(42,37+57,63+11,27+88,73\)
\(=\left(42,37+57,63\right)+\left(11,27+88,73\right)\)
\(=100+100\)
\(=200\)

Answer 3

=(42,37+57,63)+(11,27+88,73)

=100            +      100

=200
 

Answer 4

 42,37+57,63+11,27+88,73 +11,27+88,73 

= ( 42,37+57,63)+(11,27+88,73 )

= 100 + 100

=200

Answer 5

\(= (42,37+57,63)+(11,27+88,73)\)

\(= 100 + 100\)

\(= 200\)

Answer 6

 `42,37+57,63+11,27+88,73 +11,27+88,73 `

`= ( 42,37+57,63)+(11,27+88,73 )`

`= 100 + 100`

`=200`

Answer 7

\(42,37+57,63+11,27+88,73 +11,27+88,73 = ( 42,37+57,63)+(11,27+88,73 ) = 100 + 100 =200\)

Answer 8

 42,37 + 57,63 + 11,27 + 88,73    

= ( 42,37 + 57,63 ) + ( 11,27 + 88,73 )

=         100             +              100

=                         200