1. (-3)+(-2)-(-4)+(-1)=
2. Calculate (-2)(-3)(+4)-(-5)(-6).
A. -6 B. 6 C. 24 D. 56
Maths
2011-08-13 8:36 pm
回答 (2)
2011-08-13 11:01 pm
✔ 最佳答案
1.(-3)+(-2)-(-4)+(-1)=-3-2+4-1
=-2
2.(-2)(-3)(+4)-(-5)(-6)
=(+6)(+4)-(+30)
=+24-30
=-6
the answer is A.
參考: just my answer
收錄日期: 2021-04-13 18:10:19
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