Đáp án:
a, . ( 2^4 - 4 ^2 )( 5^7 + 5^9 ) . (6^8 + 6^10 )
=( 5^7 + 5^9 ) . (6^8 + 6^10 ) . (16-16)
=( 5^7 + 5^9 ) . (6^8 + 6^10 ) .0
=0
b, (-2)^2 .3^2
=4.9
=36
c,(-4)^3 . (-4)^2 - 2^3
=(-4)^5-2^3
=(-2)^10-2^3
=-1032
d, 7^9 : (-7)^8
=7^9:7^8
=7
e, 5.2^2.2^3 -4.(5^8 : 5^6)
=5.2^2.2^3-4.5^2
=5.2^2.(2^3-5)
=20.3
=60