Răspunsuri

2014-06-08T20:19:12+03:00


a*b=36


(a+7)*b=99

ab+7b=99

36+7b=99

7b=99-36

7b=63

b=63/7

b=9

9a=36

a=36/9

a=4

sper ca te-am ajutat

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2014-06-08T20:21:06+03:00
A*b=36
(a+7)*b=99
a*b+7*b=99
36+7b=99
7b=99-36=63
b=63/7=9
b=9
9a=36
a=36/9=4
a=4  b=9
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