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1000+2000+3000-1000+2000+3000+1000+2000+3000-1000+2000+3000= 2000
= 8000
Chuẩn không cần chỉnh! Ủng hộ tớ nhiều nha! Chân thành cảm ơn!
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( 3000 - 200 - 600 - 2000 -200 ) x 1508,689
= 0 x 1508,689
= 0
k mk nha ^_-
=0,5+0,5=1
1000+2000+3000+4000+5000+6000+7000+8000+9000+10000=55000
1999-2000+2999-3000+3999-4000+4999-5000+5999-1000
=(1999-2000)+(2999-3000)+(3999-4000)+(4999-5000)+(5999-1000)
=-1+(-1)+(-1)+(-1)+4999
=-1x4+4999
=-4+4999
=4999-4
=4995
1999 - 2000 + 2999 - 3000 + 3999-4000+ 4999-5000+5999-1000
= ( 2000-1999) + ( 3000-2999) + ( 4000-3999) + ( 5999-5000) -1000
= 1 + 1 + 1 + 1 -1000
=4 -1000
= 1000-4
=996
1999 - 2000 + 2999 - 3000 + 3999 - 4000 + 4999 - 5000 + 5999 - 1000
=(1999-2000)+(2999-3000)+(3999-4000)+(4999-5000)+(5999-1000)
=1+(-1)+(-1)+(-1)+4999
=1x4+4999
=4+4999
=4999-4
=4995
tk nha
1000
1200
17
55000
9000
7200
5000
400
C1 2000-3000=-1000
1000+200=1200
C2 1020-1003=1017
33000+22000=55000
C3 1000X9 =9000
2400X3=7200
C4 3000:6=500
2000:5=4000