Cho A=(a+3000)*(b+5000)
Tìm GTNN của A
a) 9000 - 7000 = ...............
3000 - 2000 = ...............
8000 -8000 = ...............
5000 - 1000 = ...............
6000 - 5000 = ...............
10000 - 2000 = ...............
b) 4600 - 400 = ...............
8500 - 500 = ...............
9900 - 300 = ...............
6800 - 700 = ...............
7200 - 3000 = ...............
5600 - 2000 = ...............
3800 - 3000 = ...............
7400 - 400 = ...............
a) 9000 - 7000 = 2000
3000 - 2000 = 1000
8000 -8000 = 0
5000 - 1000 = 4000
6000 - 5000 = 1000
10000 - 2000 = 8000
b) 4600 - 400 = 4200
8500 - 500 = 8000
9900 - 300 = 9600
6800 - 700 = 6100
7200 - 3000 = 4200
5600 - 2000 = 3600
3800 - 3000 = 800
7400 - 400 = 7000
a)9000-7000=2000
3000-2000=1000
8000-8000=0
5000-1000=4000
6000-5000=1000
10000-2000=8000
b)4600-400=4200
8500-500=8000
9900-300=9600
6800-700=6100
7200-3000=4200
5600-2000=3600
3800-3000=800
7400-400=7000
a) 9000 - 7000 = 2000
3000 - 2000 = 1000
8000 -8000 = 0
5000 - 1000 = 4000
6000 - 5000 = 1000
10000 - 2000 = 8000
b) 4600 - 400 = 4200
8500 - 500 = 8000
9900 - 300 = 9600
6800 - 700 = 6100
7200 - 3000 = 4200
5600 - 2000 = 3600
3800 - 3000 = 800
7400 - 400 = 7000
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
Số?
a) 3892 = 3000 + 800 + 90 + ?
b) 5701 = 5000 + ? + 1
c) 6008 = 6000 + ?
d) 2046 = 2000 + ? + ?
a) 3892 = 3000 + 800 + 90 + 2 | b) 5701 = 5000 + 700 + 1 |
c) 6008 = 6000 + 8 | d) 2046 = 2000 + 40 + 6 |
Điền số thích hợp vào chỗ chấm
a) 3000, 4000, 5000, ..., ...., ....., .....
b) 4100, 4200, 4300, ..., ...., ....., .....
c) 7010, 7020, 7030, ..., ...., ....., .....
a) 3000, 4000, 5000, 6000, 7000, 8000
b) 4100, 4200, 4300, 4400, 4500, 4600
c) 7010, 7020, 7030, 7040, 7050, 7060
Viết tiếp số thích hợp vào chỗ chấm.
a) 3000 ; 4000 ; 5000 ; ...... ; ...... ; ...... ; ......
b) 4100 ; 4200 ; 4300 ; ...... ; ...... ; ...... ; ......
c) 7010 ; 7020 ; 7030 ; ...... ; ...... ; ...... ; ......
a) 3000 ; 4000 ; 5000 ; 6000 ; 7000 ; 8000 ; 9000.
b) 4100 ; 4200 ; 4300 ; 4400 ; 4500 ; 4600 ; 4900.
c) 7010 ; 7020 ; 7030 ; 7040 ; 7050 ; 7060 ; 7070.
A=(1+2)x(3000+456) B=(2000+5)x(10-1)
C=(101-1)x(5000+40+7) D=(5000+47)x(90+10)
E=(3000+400+50+6)x3 G=(2+3+4)x(1935+70)
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Viết các tổng thành số có bốn chữ số (theo mẫu):
a) Mẫu: 5000 + 200 + 70 + 8 = 5278
7000 + 600 + 50 + 4 = ................
2000 + 800 + 90 + 6 = ................
8000 + 400 + 20 + 7 = ................
9000 + 900 + 90 + 9 = ................
b) Mẫu: 4000 + 20 + 1 = ................
3000 + 60 + 8 = ................
7000 + 200 + 5 = ................
9000 + 50 + 6 = ................
2000 + 100 + 3 = ................
5000 + 7 = ........................
9000 + 9 = ........................
3000 + 300 + 3 = ................
8000 + 700 + 5 = ................
a) Mẫu: 5000 + 200 + 70 + 8 = 5278
7000 + 600 + 50 + 4 = 7654
2000 + 800 + 90 + 6 = 2896
8000 + 400 + 20 + 7 = 8427
9000 + 900 + 90 + 9 = 9999
b) Mẫu: 4000 + 20 + 1 = 4021
3000 + 60 + 8 = 3068
7000 + 200 + 5 = 7205
9000 + 50 + 6 = 9056
2000 + 100 + 3 = 2103
5000 + 7 = 5007
9000 + 9 = 9009
3000 + 300 + 3 = 3303
8000 + 700 + 5 = 8705
a) Mẫu: 5000 + 200 + 70 + 8 = 5278
7000 + 600 + 50 + 4 = 7654
2000 + 800 + 90 + 6 = 2896
8000 + 400 + 20 + 7 = 8427
9000 + 900 + 90 + 9 = 9999
b) Mẫu: 4000 + 20 + 1 = 4021
3000 + 60 + 8 = 3068
7000 + 200 + 5 = 7205
9000 + 50 + 6 = 9056
2000 + 100 + 3 = 2103
5000 + 7 = 5007
9000 + 9 = 9009
3000 + 300 + 3 = 3303
8000 + 700 + 5 = 8705
A)2000+3000+250= ?
B)7000+2000:2= ?
C)5000+358-879= ?
D)1000+2000+3000+4000:2= ?
có bài Toán mới rồi nè mọi người ơi!!!
A) 2 000 + 3 000 + 250 = 5 250
B) 7 000 + 2 000 : 2 = 4 500
C) 5 000 + 358 - 879= 4 479
D) 1 000 + 2 000 + 3 000 + 4 000 : 2 = 5 000
TK cho mình nha !!! :) :) :)
A) Đ/S=5250
B)7000+2000:2=7000+1000=8000
C)Đ/S=4479
D)1000+2000+3000+4000:2=1000+2000+3000+2000=8000
Bạn nhớ nhân chia trước cộng trừ sau nhé. Cảm ơn.
a)2000+3000+250
=5000+250
=5250
b)7000+2000:2
=7000+1000
=8000
c)5000+358-879
=5358-879
=4479
d)1000+2000+3000+4000:2
=1000+2000+3000+2000
=3000+3000+2000
=6000+2000
=8000
chúc bạn học tốt !!!
3000 + 7000 + 5000 + 5000 + 7000 + 3000
= ????????
3000 + 7000 + 5000 + 5000 + 7000 + 3000
= 30000 nhé k đi mk k rồi
3000 + 7000 + 5000 + 5000 + 7000 + 3000
= 10000 + 10000 + 10000
= 30 000
k mk mk k lại
\(3000+7000+5000+5000+7000+3000\)
\(=\left(3000+7000\right)+\left(5000+5000\right)+\left(7000+3000\right)\)
\(=10000+10000+10000\)
\(=10000.3\)
\(=30000\)
k bạn cô bé tinh nghịch đi k lại cho