Các câu hỏi tương tự
60+x-34=43
X x 23 -6 x 23 + X x 69=230
(15x24-x):0,25=100 : 0,25
(7 x X + 8):5=10
280 : (7+3x X)=4
(X+5)x19:13=57
4x (36-4xX)=64
(7,6:1,9)x X =3,2
(X : 2 + 50) : 5= 12
X x 23 - 6 x 23 + X x 69=230 💔💔💔💔💔💔💔💔💔 huhu
a) ( x . 7 + 8 ) : 5 = 10
b) ( x + 5 ) . 19 : 13 = 57
c) 4 . ( 36 - 4 . x ) = 64
d) 7,6 : 1,9 . x = 3,2
e) ( x : 2 + 50 ) : 5 = 12
g) 280 : ( 17 + 3 . x ) = 4
h ) 6. ( 28 - 8 . x ) = 72
i) ( x - 15 ) : 3 : 12 = 6
giúp mh với nha các bn
Bài 1 tính nhanh ( đầy đủ ). ( dấu chấm là dấu nhân )
(84,6-2. x ):3,02=5,1
(15.24-x):0,25=100:0,25
128.x-12.x-16.x=5200
5.x+3,75.x+1,25.x=20
x.3,7+x.6,3=360:120
x.23-6.23+x.69=230
(x+1).(x+2)=72
(x+2).16.x=160.x
các bn ơi giúp mk với mai mk đi hc rùi
47 . ( 23 + 50 ) -23 . ( 47 + 50 )
(- 33 ) . ( - 5 ) - 33 . 4 + 33
25 . 99 + | -25 | . 99 -99 . ( -37 ) + | -13 | . 99
bài tìm x
2 . ( x - 5 ) = -12
x mũ 3 -1 =26
2 . ( x -5 ) - 3 . ( x + 7 ) =14
-7 . ( 5 - x ) - 2 . ( x - 10 ) = 15
8 . ( x - | -7 | ) - 6 . ( x- 2 ) = | -8 | . 6 - 50
12 . ( x - 4 ) + 6 . ( x- 2 ) - 16 . ( x+ 3 ) = 7 . | - 4 |
5 tháng 8 2023 lúc 9:14
1. x - 8 +32= 68
2. x +8+32=68
3. 98-x +34=43
4. 98+x-34=43
5. x :5:4=800
6. 18+x=384:8
7. (84,6-2 x x):3,02= 5,1
8. x x5= 120:6
9. (15x 24-x) :0,25= 100:0,25
Tim X
3) -12 + (2x – 9) + x= 0
4) 11 + (15 - x) = 1
5) 4 - (27 - 3) = x - (13 - 4)
6) 8 - (x - 10) = 23 - (- 4 +12)
7) 105 – 5(10 – 5x) = -20
8) (x -1)(8-2x)(3x+123) = 0
9) (x2 - 25)(x+ 10) = 0
10) x(x2+5) =
a , 43 + ( 9 - 21 ) = 317 - ( x + 317 )
b , ( 15 - x ) + ( x - 12 ) = 7 - ( -5 + x )
c , x - { 57 - [ 42 + ( -23 - x )]} = 13 - { 47 + [ 25 - ( 32 - x )]}
d , -7 + | x - 4 | = -3
e , 13 - | x + 5 | = 13
g , | x - 10 | - ( -12 ) = 4
h , | x + 2 | < 5
Bài 1: 1) x + 13 212) - 41 + x - 553) x + ( -15 ) ( - 17 ) + ( - 4 )4 ) 3 + x ( - 8 ) + 115 ) x + 37 - 104 + 66) x + ( - 71 ) ( - 55 ) + 857 ) x - ( - 45 ) - 63 + 278) x + 29 43 + ( - 23 )9 ) x + ( - 47 ) ( - 62 ) - 1710 ) x + 21 ( - 43 ) + 4311 ) 31 + x 45 - 8112 ) x - 12 ( - 8 ) + (- 7 )13 ) 23 - x 24 - ( - 16 )14 ) - 15 - ( - 21 - 3x ) - 6315 ) 57 - ( x - 46 ) - 1316 ) -x - 23 -38 - 4217 ) x - ( - 7 ) -4 - 1418 ) 18 - x -8 - ( - 15 )19 ) 45 - ( x + 17 ) - 2620 ) 3. ( x...
Đọc tiếp
Bài 1:
1) x + 13 = 21
2) - 41 + x = - 55
3) x + ( -15 ) = ( - 17 ) + ( - 4 )
4 ) 3 + x = ( - 8 ) + 11
5 ) x + 37 = - 104 + 6
6) x + ( - 71 ) = ( - 55 ) + 85
7 ) x - ( - 45 ) = - 63 + 27
8) x + 29 = 43 + ( - 23 )
9 ) x + ( - 47 ) = ( - 62 ) - 17
10 ) x + 21 = ( - 43 ) + 43
11 ) 31 + x = 45 - 81
12 ) x - 12 = ( - 8 ) + (- 7 )
13 ) 23 - x = 24 - ( - 16 )
14 ) - 15 - ( - 21 - 3x ) = - 63
15 ) 57 - ( x - 46 ) = - 13
16 ) -x - 23 = -38 - 42
17 ) x - ( - 7 ) = -4 - 14
18 ) 18 - x = -8 - ( - 15 )
19 ) 45 - ( x + 17 ) = - 26
20 ) 3. ( x + 5 ) - x - 11 = 24
21 ) 14 - ( x - 7 ) = - 8 - ( - 9 )
22 ) 15 - ( x - 2 ) = - 7 + 8
Đã học về số âm rùi nha
ai nhanh tick choo
Bài 1: Tìm x [GIÚPPPPPPPPPPPPPPPPPPP]
1) 5 – (10 – x) = 7
2) - 32 - (x – 5) = 0
3) -12 + (2x – 9) + x= 0
4) 11 + (15 - x) = 1
5) 4 - (27 - 3) = x - (13 - 4)
6) 8 - (x - 10) = 23 - (- 4 +12)
7) 105 – 5(10 – 5x) = -20
8) (x -1)(8-2x)(3x+123) = 0
9) (x2 - 25)(x+ 10) = 0
10) x(x2+5) = 0