4x / 101 = 28
4x = 28 x101
4x =2828
x = 2828 / 4
x =707
nhớ k cho mình nha
4x = 28x101
4x = 21008
x = 21008 : 4
x = 5252
4x : 101 = 28
4x = 28 . 101
4x = 2828
x = 2828 : 4
x = 704
4x / 101 = 28
4x = 28 x101
4x =2828
x = 2828 / 4
x =707
nhớ k cho mình nha
4x = 28x101
4x = 21008
x = 21008 : 4
x = 5252
4x : 101 = 28
4x = 28 . 101
4x = 2828
x = 2828 : 4
x = 704
Tìm x biết:
a)58+7x=100
b)3x - 7=28
c)x - 56:4=16
d)101+(36-4x)=105
e) (x - 12 ) : 12 = 12
f) (3.x-24).73=2.74
i) (10+2x) .42011=42013
Bài 6 . Tìm x biết: 1) 58 + 7x = 100 AI LM ĐC MÌNH CHO 20 XU
2) 101 +(36 – 4x) =105
3) 3x – 7 = 28
4) ( x – 12):12=12
5) x – 56 : 4= 16
6) (3.x-2 4 ).73=2.74
7) 71 – (33 + x) = 26
8) = 7 10) 4(x + 41) = 400
9) 45 – (x + 9):2 = 6
11) 2. (x + 7) – 25 = 13
13) 2(x- 51) = 2.23 + 20
15) 450 : (x – 19) = 50
17) 10 - (x – 3): 2 = 72 – 1 10
19) 2x + 2 – 2 x = 48
8) 140 : (x – 12) 5(x – 9) = 350
14) 2x – 49 = 5.32
16) 200 – (2x + 6) = 43
18) 135 – 5.(x + 4) = 35
20) (3x – 5)3 – 1 = 26
28 nhan 101 tinh nhanh
Tính:
a) (-38 ) + 28
b) 273 + (-123)
c) 99 + (-100) + 101
[(-48)+53]-(13-48)
-(101+63+9)+(-28)+101
12.(-19)+(-19).87-19
(-38) + 28
273+(-123)
99+(-100)+101
Tim x
1) x : 14 = 36 2) x : 6 = 52 3) x : 12 = 42 4) x : 15 = 0
5) 4x : 101 = 28 6) 7x : 28 = 5 7) 15x : 60 = 3 8) 774 : x = 18
9) 432 : x = 27 10) 1751 : x = 103 11) 1122 : x = 33 12) 1525 : x = 61
28 x 17+101 x 3 + 73 x 17 Tính 1 cách nhanh nhất
-10/3 + 13/10-1/6+7/10
1-20/6 +39/30-4/24+34/50
15/24-6/26+28/48-30/39+10/24
-5/10+12/28-3/27-7/18+20/35