Question

1)Determinati numerele naturale x,pentru care:
a)72:x=9
b)x:5+13=23
c)231:11=x+7
d)1:x=x
e)x:8=5
f)36:x+11=15
g)2x:8=5
h)x:13=14

2)Determinati numarul natural, pentru care
a)256:x=4
b)x:4=2003
c)100+x:12=104
d)x:16=17
e)880:x+19=39
f)x:10+39=139

Dau coroana...

Answer 1

a) x= 72:9
x=8
b)x:5=10
x=50
c)x+7= 21
x= 14
d)1:1=1
x=1
e)x= 40
f)36:x= 4
x=9
g)2x=30
x=15
h) x=13x14
x=182
2)x= 64
x= 8012
x:12= 4
x= 48
x= 272
880:x =20
x=44
x:10= 100
x= 1000