3 . 52 - 16 : 22
= 3 . 25 - 16 : 4
= 75 - 4
= 71
3 x 52 - 16 : 22
= 3 x 25 - 16 : 4
= 75 - 4
= 71
Seira Nguyễn
3 x 52 - 16 : 22
= 3 x 25 - 16 : 4
= 75 - 4
= 71
3 x5^2 -16 :2^2
=3 x25 -16:4
=75 -4
=71
tk nha bạn
\(3\cdot5^2-16:2^2=3\cdot25-2^4:2^2=75-2^2=75-4=71\)
3 x 52 - 16 : 22
= 3 x 25 - 16 : 4
= 75 - 4
= 71
3 * 5 ^2 - 16 : 2 ^2
3 * 25 - 16 : 4
75 - 4 = 71