3000 : 10 x 500 = ?
2000 : 100 x 600= ?
Tính nhẩm:
5000 + 100 = ..................
7400 - 400 = ..................
2000 3 + 600 = ..................
8000 : 2 + 2000 = ..................
6000 - (5000 - 1000) = ..................
6000 - 5000 + 1000 = ..................
7000 - 3000 x 2 = ..................
(7000 - 3000) x 2 = ..................
5000 + 100 = 5100
7400 - 400 = 7000
2000 3 + 600 = 6600
8000 : 2 + 2000 = 6000
6000 - (5000 - 1000) = 2000
6000 - 5000 + 1000 = 2000
7000 - 3000 x 2 = 1000
(7000 - 3000) x 2 = 8000
5000 + 100 = 5100
7400 - 400 = 7000
2000 3 + 600 = 6600
8000 : 2 + 2000 = 6000
6000 - (5000 - 1000) = 2000
6000 - 5000 + 1000 = 2000
7000 - 3000 x 2 = 1000
(7000 - 3000) x 2 = 8000
5000 + 100 = 5100
7400 - 400 = 7000
2000 3 + 600 = 6600
8000 : 2 + 2000 = 6000
6000 - (5000 - 1000) = 2000
6000 - 5000 + 1000 = 2000
7000 - 3000 x 2 = 1000
(7000 - 3000) x 2 = 8000
X+100+100+200+500=3000-2000
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
Viết các tổng theo mẫu:
4000 + 500 + 60 + 7
8000 + 100 + 50 + 9
3000 + 600 + 10 + 2
5000 + 500 + 50 + 5
7000 + 900 + 90 + 9
Mẫu: 4000 + 500 + 60 + 7 = 4567
8000 + 100 + 50 + 9 = 8159
3000 + 600 + 10 + 2 = 3612
5000 + 500 + 50 + 5 = 5555
7000 + 900 + 90 + 9 = 7999
( 3000-200-600-2000-200 ) x 1508,689=?
( 3000 - 200 - 600 - 2000 -200 ) x 1508,689
= 0 x 1508,689
= 0
k mk nha ^_-
(3000-200-600-2000-200)x1508,689
=0x1508,689
=0
500*9=?
600*8=?
3000*9=?
4000*10=?
500 x 9 = 4500
600 x 8 = 4800
3000 x 9 = 27 000
4000 x 10 = 40000
500*9=4500
600*8=4800
3000*9=27000
4000*10=40000
500.9=4500
600.8=4800
3000.9=27000
4000.10=40000
Tính nhẩm theo mẫu
Mẫu: 5700 – 200 = 5500
8400 – 3000 = 5400
3600 – 600 =
6200 – 4000 =
7800 – 500 =
4100 – 1000 =
9500 – 100 =
5800 – 5000 =
3600 – 600 = 3000
6200 – 4000 = 2200
7800 – 500 = 7300
4100 – 1000 = 3100
9500 – 100 = 9400
5800 – 5000 = 800
x + 500 = 2000 + 600
=> x + 500 = 2600
=> x = 2600 - 500
=> x = 2100
x + 500 = 2000 + 600
x + 500 = 2600
x = 2600 - 500
x = 2100
x+500=2000+600
x+500=2600
x=2600-500
x=2100
Tìm x :
x + 500 = 600 - 100
x + 500 = 600 - 100
x + 500 = 500
x = 500 - 500
x = 0
k mk mk k rùi
X+500=600-100
X+500=500
X=500-500
X=0
x + 500 = 600 - 100
x + 500 = 500
x = 500 - 500
x = 0
K mk nha
Mk k lại