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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!
( 3000 - 200 - 600 - 2000 -200 ) x 1508,689
= 0 x 1508,689
= 0
k mk nha ^_-
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=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
NHẦM 1020-1003=17
cau 1:
\(2000-3000=-1000\)
\(1000+200=1200\)
cau 2:
\(1020-1003=17\)
\(33000+22000=55000\)
cau 3:
\(1000.9=9000\)
\(2400.3=7200\)
cau 4:
\(3000:6=500\)
\(2000:5=400\)
Câu 1
2000-3000=-1000
1000+200=1200
Câu 2
1020-1003=17
33000+22000=55000
Câu 3
1000x9=9000
2400x3=7200
Câu 4
3000:6=500
2000:5=400
Câu 1:
2000- 3000= -1000.
1000+ 200= 1200.
Câu 2:
1020- 1003= 17.
33000+ 22000= 55000.
Câu 3:
1000x 9= 9000.
2400x 3= 7200.
Câu 4:
3000: 6= 500.
2000: 5= 400.
c1:
2000 - 3000 = -1000
1000 + 200 = 1200
c2:
1020 - 1003 = 1017
33000 + 22000 = 55000
c3:
1000 nhân 9 = 9000
2400 nhân 3 = 7200
c4:
3000 : 6 = 500
2000 : 5 = 400