x + 200 = 500
K
Khách
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19 tháng 1 2017
x + 700 = 1000
x = 1000 - 700
x = 300
Vay x =300
ai k mik mik k lai
AM
8
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AM
8
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19 tháng 1 2017
x + 100 = 30 x 3
x + 100 = 90
x = 100 - 90
x = 10
tk mk mk tk lại
AM
7
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19 tháng 1 2017
x + 500 = 600 + 900
x + 500 = 1500
x = 1500 - 500
x = 1000
k mình mình k lại!
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x + 200 = 500
x = 500 - 200
x = 300
tk nha rùi tk lại cho
x+200=500
x=500-200
x=300
kb nha