计算:(1)(?13)?1+(+8)0?22012×(?12)2011(2)5a2b?(-2ab3)+3ab?(4a2b3

计算:(1)(?13)?1+(+8)0?22012×(?12)2011(2)5a2b?(-2ab3)+3ab?(4a2b3)
2025-04-23 20:30:18
推荐回答(1个)
回答1:

(1)原式=-3+1-[2×(-

1
2
)]2011×2
=-3+1+2
=0;

(2)原式=-10a3b4+12a3b4
=2a3b4