Toán Thực hiện phép tính: M= 9/40-11/60+13/84-15/112 12/07/2021 By aikhanh Thực hiện phép tính: M= 9/40-11/60+13/84-15/112
`M` `=` `9/40` `-` `11/60` `+` `13/84` `-` `15/112` `M` `=` `(27/120 – 22/120)` `+` `(52/336 -45/336)` `M` `=` `2/48` `+` `1/48` `M` `=` `3/48` `M` `=` `1/16` Trả lời
`M= 9/40-11/60+13/84-15/112` `M= (9/40 – 11/60) + (13/84 – 15/112)` `M= (27/120 – 22/120) + (52/336 – 45/336)` `M = 5/120 + 7/336` `M = 2/48 + 1/48` `M = 3/48` `M = 1/6` Trả lời
`M` `=` `9/40` `-` `11/60` `+` `13/84` `-` `15/112`
`M` `=` `(27/120 – 22/120)` `+` `(52/336 -45/336)`
`M` `=` `2/48` `+` `1/48`
`M` `=` `3/48`
`M` `=` `1/16`
`M= 9/40-11/60+13/84-15/112`
`M= (9/40 – 11/60) + (13/84 – 15/112)`
`M= (27/120 – 22/120) + (52/336 – 45/336)`
`M = 5/120 + 7/336`
`M = 2/48 + 1/48`
`M = 3/48`
`M = 1/6`