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a fost răspuns

determinati numarulx stiind ca : 2•x=28, x•5=35, x•7=182, 36•x=324, 12•x=144, x•4=156, x:6=1751, x:19=57, 1157:x=13, x:15=15, x:10=1000, x:5=100

Răspuns :

2x=28
x=14
-------------
5x=35
x=7
-------------
7x=182
x=26
------------
36x=324
x=9
------------
12x=144
x=12
--------------
4x=156
x=39
------------
x:6=1751
x=1751*6=10506
-------------------
x:19=57
x=57*19
x=1083
------------------
1157:x=13
13x=1157
x=89
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x:15=15
x=15*15=225
------------
x:10=1000
x=10000
--------------
x:5=100
x=500

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