Toán Lớp 4: 1/5 + 1/6 + 1/10 + 1/15 + 1/21 + 1/28 + 1/36 bằng bao nhiêu?

Question

Toán Lớp 4:  1/5 + 1/6 + 1/10 + 1/15 + 1/21 + 1/28 + 1/36 bằng bao nhiêu?

mytamhoang · Answer

Giải đáp:      1/5 + 1/6 + 1/10 + 1/15 + 1/21 + 1/28 + 1/36           =11/30 + 1/10 + 1/15 + 1/21 + 1/28 + 1/36                         =7/15 + 1/15 + 1/21 + 1/28 + 1/36                                     =8/15 + 1/21 + 1/28 + 1/36                                             =61/105 + 1/28 + 1/36                                                          =37/60  + 1/36                                                           =29/45.             Gửi bạn!!!

annhocbichchaubich · Answer

1/5 + 1/6 + 1/10 + 1/15 + 1/21 + 1/28 + 1/36           =11/30 + 1/10 + 1/15 + 1/21 + 1/28 + 1/36           =7/15 + 1/15 + 1/21 + 1/28 + 1/36           =8/15 + 1/21 + 1/28 + 1/36           =61/105 + 1/28 + 1/36          =37/60  + 1/36           =29/45.