(1)(214)2×42(2)[(12)2]3×(23)3(3)(-0.125)12×(-123)7×(-8)13×(-35)9(4)-82003×(0.125)2002+(0.25)17×417.-数学
题文
(1)(2
(2)[(
(3)(-0.125)12×(-1
(4)-82003×(0.125)2002+(0.25)17×417. |
答案
(1)(2
=(
=81; (2)[(
=(
=(
=23, =8; (3)(-0.125)12×(-1
=(-
=-(
=-(
=-8×
=-
(4)-82003×(0.125)2002+(0.25)17×417, =-8×82002×(
=-(8×
|