Question

tinh bang cach thuan tien nhat a) 48,25+12,72+51,75+87,28=??

Answer 1

 48,25 + 12,72 + 51,75 + 87,28
  = (48,25 + 51,75) + (12,72 + 87,28)
  = 100 + 100
  = 200

Answer 2

 a) 48,25+12,72+51,75+87,28

= (48,25+51,75) + (12,72+ 87,28)

=         100         +         100

=                       200

 

Answer 3

200

Answer 4

48,25+12,72+51,75+87,28

= (48,25+51,75)+(12,72+87,28)

=     100             + 100

= 200