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x+100=200-500 x+800=1000
x+100=-300 x =1000-800
x =(-300)-100 x =200
x =(-300)+(-100)
x =-400
x+100=200-500
x+100=-300
x=-300+100
x=-200
x+800=1000
x=1000-800
x=200
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100-200=-100
200-300=-100
800-900=-100
k nhá
thank you
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co so so hang la
(100000-100)/1+1=99901(so)
Tong day so la
(100000+100)/2*99901=5000045050
dap so:5000045050
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100+200+300+400+500+600+700+800+900+1000
=(100+900)+(200+800)+(300+700)+(400+600)+(500+1000)
=1000+1000+1000+1000+1500
=2000+2000+1500
=4000+1500
=5500
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\(\frac{2006\cdot125+100}{126\cdot2005-800}=\frac{250850}{251830}=\frac{25085}{25183}\)
Nhớ ấn cho mình nha
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900 nhe ban
900 nhe