Question

ajutor te rog dau corona​

Answer 1

Răspuns:

j) 9 k) 81/16

Explicație pas cu pas:

j) 7/15 x 9 x 1)11/14 x 4/5 x 1/18 x 2
= 7/15 x 9/1 x 25/14 x 4/5 x 1/18 x 2/1
= 63/15 x 25/14 x 4/5 x 1/8 x 2/1
= (Simplificam 15 cu 25 prin 5) 63/3 x 5/14 (Simplificam 63 cu 14 prin 7) 9/3 x 5/2 | > 9/3 x 5/2 x 4/5 x 1/8 x 2/1
= 45/6 x 4/5 x 1/8 x 2/1
= (Simplificam 45 si 5 prin 5) 9/6 x4/1 x 1/8 x 2/1
=       36/1 x 1/8 x 2/1
= (Simplificam 36 si 8 prin 4) 9/1 x 1/2 x 2/1
= 9/2 x 2/1 (Simplficiam 2 cu 2 prin 2)
= 9/1 x 1/1 = 9/1 = 9

k) 15/16 x 12/25 x 1)1/9 x 6)3/4 x 2/11 x 8)1/4
= (Simplificam 15 cu 25 prin 5 si 16 cu 12 prin 2) > 3/8 x 6/5 x 10/9 x 27/4 x 2/11 x 33/4
= 18/40 x 10/9 x 27/4 x 2/11 x 33/4
= (Simplificam 18 si 9 prin 9 si 40 si 10 prin 10) > 2/4 x 1/1 x 27/4 x 2/11 x 33/4
= 2/4 x 27/4 x 2/11 x 33/4
= (Simplificam 2 cu 4 prin 2) > 1/4 x 27/2 x 2/11 x 33/4
= 27/8 x 2/11 x 33/4
= (Simplificam 8 cu 2 prin 2) > 27/4 x 1/11 x 33/4
= 27/44 x 33/4
= (Simplificam 44 si 33 prin 11) = 27/4 x 3/4
= 81/16

! Sper ca te-am ajutat. Coroana?