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

Toán Lớp 5: tìm y y + y x 1/3 :2/9 + y :2/7 =660

Tháng Sáu 21, 2022 Toán học 1 Comment 0 views

Toán Lớp 5: tìm y
y + y x 1/3 :2/9 + y :2/7 =660

Comments ( 1 )

  1. bichquyenlien
    bichquyenlien
    21 Tháng Sáu, 2022 at 9:52 chiều
    Reply
    # tcv
    y + y xx 1/3 : 2/9 + y : 2/7 = 660
    y xx 1 + y xx 1/3 xx 9/2 + y xx 7/2 = 660
    y xx 1 + y xx 3/2 + y xx 7/2 = 660
    y xx ( 1 + 3/2 + 7/2 ) = 660
    y xx 6 = 660
    y              = 660 : 6
    y              = 110
     

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

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