Question

673+458 -73-58                                    234+108+266+177+92+183

Answer 1

1000

1060

 

Answer 2

673+458 -73-58 
= (673 - 73) + (458 - 58)
= 600 + 400
= 1000                             
234+108+266+177+92+183
= (234 + 266) + (108 + 92) + (177 + 183)
= 500 + 200 + 360 
= 700 + 360
= 1060
 

Answer 3

673+458 -73-58

= ( 673 - 73 ) + ( 458 - 58 )

= 600 + 400

= 1000 

 234+108+266+177+92+183

= ( 234 + 266 ) + ( 108 + 92 ) + ( 177 + 183)

= 500 + 200 + 360 

= 1060

Answer 4

1000

1060