Question

ex 15 va multumim. va rog ​

Answer 1

Coloana 1

$a*b=114 376\\a*58=114376\\=>a=114376-58\\a=114318$

$a:b=?\\a=114 318; b=58=>a:b= 114 318:58=1971$

Coloana 2

$a:b=412\\a:73=412\\\frac{1}{73} a=412 \\=> a=30076$

$a=30076; b=73 \\=>a*b=2195548$

Coloana 3

$a:b=63\\2646:b=63\\\frac{2646}{b} =36\\b*\frac{2646}{b} =36b\\=>2646=63b <=>64b|:63=2646|:63\\=>b=42$

$a*b=2646*42\\a*b=111132$

Coloana 4

$a*b=10092\\a*29=10092|:29\\a=348$

$a:b=?\\348:29=12\\=>a:b=12$