Số 100 mũ 50 chia hết cho 2,5,10 ko

Question

hoaiphuong85 · Answer

Ta c&oacute;:   100^50=100*100^49   Do 100 vdots 2, 5, 10 (100:2=50;100:5=20;100:10=10)   N&ecirc;n 100*100^49 vdots 2,5,10   Vậy 100^50 vdots 2,2,10

thucquyenlan · Answer

Ta thấy 100  vdots 2; 5; 10   => 100^{50}  vdots 2;5;10   #BlackStar