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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: -1/21 + -1/14 cho mik kq vs can gapppppppppppppp ah

Home/ Toán Lớp 7: -1/21 + -1/14 cho mik kq vs can gapppppppppppppp ah

Toán Lớp 7: -1/21 + -1/14 cho mik kq vs can gapppppppppppppp ah

Tháng Chín 28, 2022 Toán học 2 Comments 0 views

Toán Lớp 7: -1/21 + -1/14
cho mik kq vs
can gapppppppppppppp ah

Comments ( 2 )

  1. thaolanphuobg
    thaolanphuobg
    28 Tháng Chín, 2022 at 3:43 sáng
    Reply
    (-1)/21 + (-1)/14
    =(-2)/(42) + (-3)/42
    =(-5)/42

  2. minhtuquynh
    minhtuquynh
    28 Tháng Chín, 2022 at 3:43 sáng
    Reply
    \text {Mon}
    $\dfrac{-1}{21}$+$\dfrac{-1}{14}$=$\dfrac{-2}{42}$+$\dfrac{-3}{42}$=$\dfrac{-(2+3)}{42}$=$\dfrac{-5}{42}$

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222-9+11+12:2*14+14 = ? ( )

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