2道简便运算题
问题描述:
2道简便运算题
(1)(-2/3)^2001×(9/4)^1000;
(2)0.125^6×2^6×4^6
答
(-2/3)^2001×(9/4)^1000
=(-2/3)^2000*(9/4)^1000*(-2/3)
=(4/9)^1000*(9/4)^1000*(-2/3)
=1*(-2/3)
=-2/3
0.125^6×2^6×4^6
=(1/8*2*4)^6
=1^6
=1