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

Toán Lớp 6: Tính : a) 56+(-2) -2 b) 60-20+5 c) 90+506-223

Toán Lớp 6: Tính :
a) 56+(-2) -2
b) 60-20+5
c) 90+506-223

Comments ( 2 )

  1. a)
    56+(-2)-2
    =56-2-2
    =56-4
    =52
    $\\$
    b)
    60-20+5
    =40+5
    =45
    $\\$
    c)
    90+506-223
    =596-223
    =373
     

  2. a,
    56+(-2)-2
    =54-2
    =52
    b,
    60-20+5
    =40+5
    =45
    c,
    90+506-223
    =90+283
    =373

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

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