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

Toán Lớp 6: a,105- ( 135 -7x) :9 = 97 b,275- (113 + x) +63= 158 c, [ 3. (x +2):7].4 = 120 d, x.(x-1)=0 e,(x+2).(x+4) =0

Toán Lớp 6: a,105- ( 135 -7x) :9 = 97
b,275- (113 + x) +63= 158
c, [ 3. (x +2):7].4 = 120
d, x.(x-1)=0
e,(x+2).(x+4) =0

Comments ( 1 )

  1.  
     
     
     
     
     
     
     
     
     
     
     
    c) 
    ⇒ 
    ⇒ 
    ⇒ 
    ⇒ 
    Vậy 
    d) 
    ⇒ 
    ⇒ 
    ⇒ 
    ⇒ 
    Vậy 
    e) 
    ⇒  hoặc 
    ⇒ hoặc 
    Vậy 

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