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x+700=900-100
x+700=800
x = 800-700
x = 100
x+300=400+500
x+300=900
x = 900-300
x = 600
x+100=900+300
x+100= 1200
x = 1200 - 100
x = 1100
x+700=900-100
x+700=800
x =800-700
x =100
x+300=400+500
x+300=900
x =900-300
x =600
x+100=900+300
x+100=1200
x =1200-100
x =1100
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100+100+200+200+300+300+400+400+500+500+600+600+700+700+800 = 6400
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Nàng công chúa đáng yêu
100 + 100 + 900 + 900 + 700 + 300
= ( 100 + 100 + 700 + 300 ) + ( 900 + 900 )
= 1200 + 1800
= 3000
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x + 300 = 900 - 100
x + 300 = 800
x = 800 - 300
x = 500
tk đi rồi tk lại
tk nha thank you
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x + 300 = 900 - 100
x + 300 = 800
x = 800 - 300
x = 500
K mk nha
Mk k lại
Linh Chi Aquarius Virgo HotGirl Sakura
x + 300 = 900 - 100
x + 300 = 800
x = 800 - 300
x = 500
k mình mình k lại!
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900 + 200 + 300 + 100
= 1100 + 300 + 100
= 1400 + 100
= 1500
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100+200+30+300+70+700+800+900:9
=100+200+30+300+70+700+800+100
=(100+200+300+700+800+100)+(30+70)
=2300
=100+200+30+300+70+700+800+100
=(100+100)+(200+800)+(30+70)+(300+700)
=200+1000+100+1000
=2300
900-300+100=700
Ai k minh minh k lai cho!
900-300+100=600+100
=700
nha ban
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