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

Toán Lớp 6: 58.57+58.150-58.125 3 mũ 2 .5 -2 mũ 2.7+83.2019 mũ 0 2019+(-247)+(-53)-2019 13.70-50[(19-3 mũ 2):2+2 mũ 3]

Toán Lớp 6: 58.57+58.150-58.125
3 mũ 2 .5 -2 mũ 2.7+83.2019 mũ 0
2019+(-247)+(-53)-2019
13.70-50[(19-3 mũ 2):2+2 mũ 3]

Comments ( 2 )

  1. Giải đáp :
    a)(57+150+125).58
    =332.58
    =19256
    b)3².5+2².7+83.2019^0
    =9.5+4.7+83.1 
    =45+28+83
    =153
    c)2019+(-247)+(-53)-2019
    =2019-2019+(-247)+(-53)
    =0+(-300)
    =-300
    d)13.70-50[(19-3²):2+2³]
    =910-50[10:2+8]
    =910-50[5+8]
    =910-50.13
    =910-650
    =260

  2. Giải đáp:
    a)(57+150+125).58
    =332.58
    =19256
    b)3².5+2².7+83.2019^0=>2019^0=1
    =9.5+4.7+83.1
    =45+28+83
    =153
    c)2019+(-247)+(-53)-2019
    =2019-2019+(-247)+(-53)
    =0+(-300)
    =-300
    d)13.70-50[(19-3²):2+2³]
    =910-50[10:2+8]
    =910-50[5+8]
    =910-50.13
    =910-650
    =260
    Lời giải và giải thích chi tiết:
     

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