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:a) x-452=77+48=126 =>x=52+126=578
b) x+58=64+58 =>x=64 (Vì cả 2 vế cùng có 58)
c)x-1-2-3-4=0 =>x=1+2+3+4=10
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a. x - 452 =125
x = 125+452
x =577
b. x+58 = 64 +58 => x = 64
c. x-1-2-3-4=0
x = 0+4+3+2+1
x = 10
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Bài 1 :
a , x = 675
b , x = 1764
c , x = 0
Bài 2 :
a , x = 3 , 2 , 1 , 0
b , x = 6 , 5 , 4 , 3 , 2 , 1 , 0
c , x = 3 , 4
Bài 1:Tìm x
a, x:5=27\(x\)5
x:5=135
x =135\(x\)5
x =675
b, x:7=36\(x\)7
x:7=252
x =252\(x\)7
x =1764
c,x\(x\)132=312 x (5-3-2)
x\(x\)132=312x0
x\(x\)132=0
x =0:132
x =0
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a) \(x-452=77+48\)
\(=>x-452=125\)
\(=>x=125+452\)
\(=>x=577\)
____
b) \(x+58=64+58\)
\(=>x+58=122\)
\(=>x=122-58\)
\(=>x=64\)
_____
c) \(x-1-2-3-4=0\)
\(=>x-10=0\)
\(=>x=0+10\)
\(=>x=10\)
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x - 452 = 77 + 48
x-452=125
x=452+125
x=577
x + 58 = 64 + 58
x+58=122
x=122-58
x=64
x - 1 - 2 - 3 - 4 = 0
x-(1+2+3+4)=0
x-10=0
x=10+0
x=10
x - 452 = 77 + 48
x – 452 = 125
x = 125 + 452
x = 577