Question

tính nhanh 25,3 -55,27+214,7+65,27

Answer 1

=( 65,27 - 55,27) + (25,3 + 214,7)

= 10 +( 25,3 + 214,7)

=10 + 240

= 250

Answer 2

   25,3 - 55,27 + 214,7 + 65,27

= \(\left(25,3+214,7\right)+\left(65,27-55,27\right)\)

= 240 + 10 

=205

Answer 3

= (25,3 + 214,7) + (-55,27 + 65,27)

= 240 + 10 = 250

Answer 4

25,3 - 55,27 + 214,7 +65,27

= ( 65,27 - 55,27 ) + ( 25,3 + 214,7 )

=  10 + ( 25,3 + 214,7 )

=  10 +    240

=   250

k mình nha!