Question

Afla numerele necunoscute :
58000:x =1000.
420×y=420 000.
(a-1000)×1000=1000.
(10 ×b)×100=1000.
300000=×30.
100000=(100:c)×1000.

Answer 1

x=58
y=10.000
a=1001
b=10
c=

Answer 2

58 000:x=1 000
x=58 000:1 000
x=58

420×y=420 000
y=420 000:420
y=1 000

(a-1 000)×1 000=1 000
a-1 000=1 000:1 000
a-1 000=1
a=1 000+1
a=1 001

(10×b)×100=1 000
10×b=1 000:100
10×b=10
b=10:10
b=1

100 000=(100:c)×1 000
100:c=100
c=100:100
c=1


~Sper ca te-am ajutat!~