4x-{[8000-3567]}-[2031-1598]}=400
a) ( 6400 + 2600) - 3x = 1200
b( 4x - [( 8000 - 3567 ) - ( 2031 - 1598 ) ] = 400
c) 2448 : [( 119 - ( x-6)]= 24
a,(6400+2600)-3x=1200
9000-3x=1200
3x=9000-1200
3x=7800
x=7800:3
x=2600
b,(4x-[(8000-3567)-(2031-1598)]=400
(4x-[4433-433]=400
4x-4000=400
4x=400+4000
4x=4400
x=4400:4
x=1100
C;2448:[(119-(x-6)]=24
119-(x-6)=2448:24
119-(x-6)=102
x-6=119-102
x-6=17
x=17+6
x=23
a. (6400+2600) -3x=1200
=> 9000-3x=1200
=> 3x=9000-1200
=> 3x=7800
=> x=7800:3
=> x=2600
b. {4x-[(8000-3567)-(2031-1598)]}=400
=> { 4x-(4433-433)}=400
=> 4x-4000=400
=> 4x=400+4000
=> 4x=4400
=> x=4400:4
=> x=1100
c. 2448:[(119-(x-6)]=24
=> 119-(x-6)=2448:24
=> 119-(x-6)=102
=> x-6=119-102
=> x-6=17
=> x=17+6
=> x=23
5 ( x—3) = 15
( 6400 + 2000)—3x= 1200
[ ( 6x —39 ) : 7] . 4 = 12
4x — [ ( 8000 — 3567 ) —( 2031 — 1598 ) ] = 400
2448 . [ 199 — ( x — 6 ) ] = 24
câu 1 : x = 6 2 : x = 2400 3 : x = 10 4 : x = 200 5 : x = xem lại đầu bài
Tìm x
f) [ ( 6x - 39 ) : 7 ] . 4 = 12
g) 4x - [ ( 8000 - 3567 ) - ( 2031 - 1598 ) ] = 400
h) 2448 . [ 119 - ( x - 6 ) ] = 24
Các bạn làm ơn giúp mk với , nếu làm nhanh , đúng sớm nhất sẽ đc tặng 5 like
f ) [ ( 6x - 39 ) : 7 ] . 4 = 12
( 6x - 39 ) : 7 = 12 : 4
( 6x - 39 ) : 7 = 3
6x - 39 = 3 . 7
6x - 39 = 21
6x = 21 + 39
6x = 60
x = 60 : 6
x = 10
g ) 4x - [ ( 8000 - 3567 ) - ( 2031 - 1598 ) ] = 400
4x - [ 4433 - 433 ] = 400
4x - 4000 = 400
4x = 400 + 4000
4x = 4400
x = 4400 : 4
x = 1100
h ) 2448 : [ 119 - ( x - 6 ) ] = 24
119 - ( x - 6 ) = 2448 : 24
119 - ( x - 6 ) = 102
x - 6 = 119 - 102
x - 6 = 17
x = 17 + 6
x = 23
[ (6x-39):7].4=12
[ (6x-39):7]=12:4
[ (6x-39):7]=3
6x-39=3.7
6x-39=21
6x=21+39
6x=60
4x - [ ( 8000-3567 ) - ( 2031 - 1598 ) ] = 400
4x - [4433 - 433] = 400
4x - 4000 = 400
4x = 400 + 4000
4x = 4400
x = 4400 : 4
x = 1100
Kết quả (45 - 3567) + 3567
A. 45 B. 3567 C. -3567 D. 0
Kết quả (45 - 3567) + 3567
A. 45 B. 3567 C. -3567 D. 0
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
Tìm x, giải chi tiết ra:
1. [(2 x \(x\)+ 50) x 5 - 200] : 10 = 30
2. 36 - (1,5 x 26 : x) = 1,2 x 15 + 70 :5
3. (\(x\)- 140) : 35 = 270
4. 460 + 85 x 4 = (\(x\)+ 200) : 4
5. 7,2 : 2,4 x \(x\)= 4,5
6. 2448 : [119 - (\(x\)- 6)] = 24
7. 156 - (\(x\)+ 61) = 82
8. (2958 + \(x\)) : 134 = 87
9. (5376 - \(x\)) - 3877 = 904
10: 231 - (\(x\) - 6) = 1339 : 13
11. 4 x \(x\)- [(8000 - 3576) - (2031 - 1598)] = 400
12. \(x\)- 4867 = (175 x 2 + 50 x 70) : 25 + 23
13. 420 : (\(x\): 39) = 105
14. \(x\): (1001 : 13) = 29
15. 70 - 5 x (\(x\)- 3) = 45
Sáng mai mình cần nộp! Ai nhanh nhất cho nhiều like!
15) 70 - 5 . ( x - 3 ) = 45
5 . ( x - 3 ) = 70 - 45
5 . ( x - 3 ) = 25
x - 3 = 25 : 5
x - 3 = 5
x = 5 + 3
x = 8
14 ) x : ( 1001 : 13 ) = 29
x : 77 = 29
x = 29 . 77
x = 2233
13 ) 420 : ( x : 39 ) = 105
x : 39 = 420 : 105
x : 39 = 4
x = 4 . 39
x = 156
Đ, S?
a) 62 820 > 7 382 ? b) 52 794 < 60 000 ?
c) 8000 + 400 > 9 000 ? d) 5 400 - 400 = 5 000 ?
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