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

Toán Lớp 6: A.18:3+182+3.(51:17) B.25.8-12.5+170:17-8

Toán Lớp 6: A.18:3+182+3.(51:17)
B.25.8-12.5+170:17-8

Comments ( 2 )

  1. a)18:3+182+3.(51:17)
    =6+182+3.3
    =188+9
    =197
    b)25.8-12.5+170:17-8
    =200-60+10-8
    =140+10-8
    =150-8
    =142

  2. a,
    18:3+182+3.(51:17)
    =6+182+3.3
    =188+9
    =197
    b,
    25.8-12.5+170:17-8
    =8(25-1)-60+10
    =8.24-50
    =192-50=142
     

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

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