Toán Lớp 5: Tìm x : X x 2,1 = 9,03 3,45 x X = 9,66 X : 9,4 = 23,5 2,21 : X = 0,85

Question

Toán Lớp 5:  Tìm x : X x 2,1 = 9,03        3,45 x X = 9,66 X : 9,4 = 23,5         2,21 : X = 0,85

catlantuong · Answer

x &times; 2,1 = 9,03                           3,45 &times; x =9,66                         x = 9,03 &divide; 2,1                                  x = 9,66 &divide; 3,45                       x = 4,3                                              x = 2,8          x &divide; 9,4 = 23,5                             2,21 &divide; x = 0,85                        x = 23,5 &times; 9,4                                    x = 2,21 &divide; 0,85                      x = 220,9                                            x = 2,6

hienchaudiem · Answer

$x$ &times; $2,1$ = $9,03$   $x$ = $9,03$ $:$ $2,1$   $x$ = $4,3$    $3,45$ &times; $x$ = $9,66$   $x$ = $9,66$ $:$ $3,45$   $x$ = $2,8$   $x$ $:$ $9,4$ = $23,5$   $x$ = $23,5$ &times; $9,4$   $x$ = $220,9$   $2,21$ $:$ $x$ = $0,85$   $x$ = $2,21$ $:$ $0,85$   $x$ = $2,6$