5000+5000=
Chứng minh 5000^3 + 5000^2 + 5000 chia hết cho 3
Tính nhẩm:
a) 3000 + 5000 = ..........
5000 + 5000 = ..........
4000 + 4000 = ..........
7000 + 2000 = ..........
6000 + 1000 = ..........
2000 + 8000 = ..........
b) 2000 + 700 = ..........
100 + 1000 = ..........
6000 + 600 = ..........
8000 + 500 = ..........
5000 + 300 = ..........
400 + 6000 = ..........
a) 3000 + 5000 = 8000
5000 + 5000 = 10 000
4000 + 4000 = 8000
7000 + 2000 = 9000
6000 + 1000 = 7000
2000 + 8000 = 10 000
b) 2000 + 700 = 2700
100 + 1000 = 1100
6000 + 600 = 6600
8000 + 500 = 8500
5000 + 300 = 5300
400 + 6000 = 6400
a) 3000+5000=8000
5000+5000=10000
4000+4000=8000
7000+2000=9000
6000+1000=7000
2000+8000=10000
b) 2000+700=2700
100+1000=1100
6000+600=6600
8000+500=8500
5000+300=5300
400+6000=6400
a) 3000 + 5000 = 8000
5000 + 5000 = 10000
4000 + 4000 =8000
7000 + 2000 = 9000
6000 + 1000 = 7000
2000 + 8000 = 10000
b) 2000 + 700 = 9000
100 + 1000 = 1100
6000 + 600 =12000
8000 + 500 = 13000
5000 + 300 = 5300
400 + 6000 = 6400
516+320+357+5000+612-(516-320)-(5000+357+612)+(-420)+(-580516+320+357+5000+612-(516-320)-(5000+357+612)+(-420)+(-580)
)
Theo quy tắc của dấu ngoặc,ta có:
516+320+357+5000+612-(516+320)-(5000+357+612)+(-420)+(-580)
= 516+320+357+5000+612-516-320-5000-357-612+(-420)+(-580)
= (516-516)+(320-320)+(357-357)+(5000-5000)+(612-612)+(-420)+(-580)
= 0 + 0 + 0 + 0 + 0 + (-420)+(-580)
= 0 + 0 + 0 + 0 + (-420)+(-580)
= 0 + 0 + 0 + (-420)+(-580)
= 0 + 0 + (-420)+(-580)
= 0 + ((-420)+(-580))
= 0 + -1000
= -1000
5000+5000=????
5000+5000+10000
5000 + 5000 + 10000
= 5000 x 2 + 10000
= 10000 + 10000
= 10000 x 2
= 20000
5000+5000+10000
=10000+10000
=20000
ai k mình mình k lại
5000+5000+10000
5000+5000+10000
\(5000+5000+10000=20000\)
chuc bn hoc gioi!
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nhae@ ^_^
5000+5000+10000
=10000+10000
=20000
ai k mình mình k lại
5000 + 5000 - 9000 =?
5000+5000+10000
5000+5000+10000
=10000+10000
=20000
t cho minh nhé