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

Toán Lớp 6: Tìm số nguyên x biết: -12

Toán Lớp 6: Tìm số nguyên x biết:
-12

Comments ( 2 )

  1. -12 < x < 13
    ⇒x∈{-11,-10,-9,-8,-7,-6,-5,-4,-3,-2,-1,0,1,2,3,4,5,6,7,8,9,10,11,12}
     

  2. -12<x<13
    ⇒x∈{-11;-10;…;11;12} (với x là số nguyên)
     

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