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

Toán Lớp 5: 1313/2121 x 165165/143143 x 424242/151515 help me

Toán Lớp 5: 1313/2121 x 165165/143143 x 424242/151515
help me

Comments ( 2 )

  1. Giải đáp:
    Gửi bn
    Lời giải và giải thích chi tiết:
     

    toan-lop-5-1313-2121-165165-143143-424242-151515-help-me

  2. 1313/2121 × 165165/143143 × 424242/151515
    = 13/21 × 15/13 × 14/5
    = 5/7 × 14/5
    = 2

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