Question

tính tổng sau : 345,37+512+76,809+245,1

 

Answer 1

= 875,37 + 321,909

= 1197,279

Answer 2

ta co: 345,37+512+76,809+245,1=867.37+321.909

                                                 =1189.279

Answer 3

345,37+512+76,809+245,1=1197,729

Answer 4

=875,37+321,909=1197,279