x - 90 = 500 - 200
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x - 20 = 50 + 50
x - 20 = 100
x = 100 + 20
x = 120
tk nha
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\(x-100=500+100\)
\(x-100=600\)
\(x=600+100\)
\(x=700\)
Vậy \(x=700\)
chúc bn học gioi!@ shi nit chi
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x + 300 = 200 x 2
x + 300 = 400
x = 400 - 300
x = 100
tk nha
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a) x : 132 = 564
x = 564 x 132
x = 74448
b) 234 : x = 9
x = 234 ; 9
x = 26
c) 455 : x = 5
x = 455 : 5
x = 91
Mk nhanh nhất đó
a. x= 564.132
x=74448
b.x= 234:9
x=26
c.x=455:5
x=91
tk mk mk tk lại
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x + 200 = 300 + 400
x + 200 = 700
x = 700 - 200
x = 500 k mk nha~~
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x+900=600+400
x+900=1000
x=1000-900
x=100
x + 900 = 600 + 400
x + 900 = 1000
x = 1000 - 900
x = 100
Bạn k mình mình k lại!
Hứa đó!
Nha! (^-^)
x - 90 = 500 - 200
x - 90 = 300
x = 300 + 90
x = 390
x-90=500-200
x-90=300
x =300+90
x =390.