👤
Madalina56
a fost răspuns

256:X=9
X:5+13=23
231:11=X+7
1:X=X
X:8=5
36:X+11=15
2X:8=5
X:13=14

Răspuns :

256:x=9
x= 256:9=2
18
256:x=9
x=256:9
x=28,(4)

x:5+13=23
x:5=23-13
x:5=10
x=10×5
x=50

231:11=x+7
21=x+7
x=21-7
x=14

1:x=x
x=x

x:8=5
x=5×8
x=40

36:x+11=15
36:x=15-11
36:x=4
x=36:4
x=9

2x:8=5
2x=5×8
2x=40
x=40:2
x=20

x:13=14
x=14×13
x=182