Răspunsuri

2014-10-21T15:49:39+03:00
25^10=5^20.
a= 5^20(5+2-1)
a=5^20 x 6 care e multiplu de 6
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2014-10-21T15:51:49+03:00
A=5²¹+2x5²°-25¹°=5²¹+2x5²°-(5²)²=5²¹+2x5²°-5²°=5²°(5¹+2x5°-5°)=5²°(5+2-1)=5²°x6 deci este multiplu de 6 acest numar a
2 4 2