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

Toán Lớp 7: Thực hiện phép tính 3/4 . 131/5-3/4 . 221/5

Toán Lớp 7: Thực hiện phép tính
3/4 . 131/5-3/4 . 221/5

Comments ( 2 )

  1. 3/4 . 131/5 – 3/4 . 221/5
    = 3/4 . ( 131/5 – 221/5 )
    = 3/4 . (-90)/5
    = -27/2

  2. Answer
    3/4 . 131/5 – 3/4 . 221/5
    = 3/4 . (131/5 – 221/5)
    = 3/4 . (-18)
    = -27/2

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

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