120+x=300
120+X=300
120+X=300
X=300-120
X=180
k mik nha mik k nha ^_^
Tìm x, biết:
a) x - 120: 30 = 40;
b) (x + 120) : 20 = 8;
c) (x + 5). 3 = 300;
d) x.2 + 21 : 3= 27
a) x = 44.
b) x = 40.
c) x = 95.
d) x = 10.
a) x - 120: 30 = 40
x -40 =40
x =40+40
x =80
b) (x + 120) : 20 = 8
(x+ 120) = 8x20
x+120 =160
x = 160-120
x = 40
c) (x + 5). 3 = 300
x+5=300:3
x+5=100
x=100-5
x=95
d) x.2 + 21 : 3= 27
x.2 +7=27
x.2 = 27-7
x.2= 20
x=20:2
x=10
120 + x; 240 + x; 300 + x; x >_ 10
x + 121 = 300 + 120
x + 121 = 300 + 120
x + 121 = 420
x = 420 - 121
x = 299
Bạn tk mình đi . Ai tk mình mình tk lại cho
X+121=300+120
X+121=420
X=420-121
X=299
x + 121 = 300 + 120
x + 121 = 420
x = 420 - 121
x = 299
Tk mk mk mk sẽ tk lại
120+x=300+20
120+x=300+20
120+x=320
x =320-120
x =200.
vậy x=200.
120 + x = 300 + 20
120 + x = 320
x = 320 - 120
x = 200
Mk nhanh nhất đó ( * _ * )
Tk mk nha ( > _ < )
( ^ _ ^ )
120+x=300-30
120+x+300=900
120 + x + 300 = 900
x = 900 - 300 - 120
x = 600 - 120
x = 480
Tìm x :
x + 120 = 500 - 300
x + 120 = 500 - 300
x + 120 = 200
x = 200 - 120
x = 80
Vậy x = 80
K mk nha
x + 120 = 500 - 300
x + 120 = 200
x = 200 - 120
x = 80
k nha