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

Toán Lớp 7: A, (- 7/3 + 4 1/3) – 16/3 B, 3/7 + (-9/5) – 4/3 = ?

Tháng Hai 13, 2023 Toán học 2 Comments 0 views

Toán Lớp 7: A, (- 7/3 + 4 1/3) – 16/3
B, 3/7 + (-9/5) – 4/3 = ?

Comments ( 2 )

  1. ngoclandiep
    ngoclandiep
    13 Tháng Hai, 2023 at 5:11 sáng
    Reply
    a)
    (-7/3+4 1/3)-16/3
    =-7/3+13/3-16/3
    =(-7+13-16)/3
    =-10/3
    b)
    3/7+(-9)/5-4/3
    =-28/35-4/3
    =-284/105
     

  2. lyly98
    lyly98
    13 Tháng Hai, 2023 at 5:11 sáng
    Reply
    a)   ($\frac{-7}{3}$ + 4$\frac{1}{3}$) – $\frac{16}{3}$
    =  $\frac{-7}{3}$ + $\frac{13}{3}$ – $\frac{16}{3}$
    =  -$\frac{10}{3}$
    b)  $\frac{3}{7}$ + ($\frac{-9}{5}$) – $\frac{4}{3}$
    = -$\frac{28}{35}$ – $\frac{4}{3}$
    =  -$\frac{284}{105}$

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

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