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

Toán Lớp 5: Tính giá trị biểu thức: a) 253,37 – 45,96 x 5 + 2,57 = b) (125,95 – 43,75 ) x 5,2 – 1,975 =

Toán Lớp 5: Tính giá trị biểu thức:
a) 253,37 – 45,96 x 5 + 2,57 =
b) (125,95 – 43,75 ) x 5,2 – 1,975 =

Comments ( 2 )

  1. a) 253,37 – 45,96 × 5 + 2,57
    = 253,37 – 229,8 + 2,57
    = 23,57 + 2,57
    = 26,14
    b) (125,95 – 43,75 ) × 5,2 – 1,975
    = 82,2 × 5,2 – 1,975
    = 427,44 – 1,975
    = 425,465

  2. $\textit{a) 253,37 – 45,96 x 5 + 2,57}$
    $\textit{= 253,37 – 229,8 + 2,57}$
    $\textit{= 23,57 + 2,57}$
    $\textit{= 26,14}$
    $\textit{b) ( 125,95 – 43,75 ) x 5,2 – 1,975}$
    $\textit{= 82,2 x 5,2 – 1,975}$
    $\textit{= 427,44 – 1,975}$
    $\textit{= 425,465}$

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