课堂探究例2思路导引答案
除以 除法
解:(1)(-48)/(-16)=(-48)÷(-16)=3
(2)(3/4)/(-3)=3/4÷(-3)=3/4×(-1/3)=-1/4
(3)-(-0.2)/0.3=-(-0.2)÷0.3=2/3
课堂探究例2变式训练2-1答案
C
课堂探究例2变式训练2-2答案
(1)-8
(2)-6
(3)0
课堂训练选择题答案
1 | 2 | 3 | 4 |
A | B | B | D |
课堂训练第5题答案
解:(1)(-15)÷(-3)=15÷3=5
(2)
(3)原式=-3/4×(-3/2)×(-4/9)
=(3/4×3/2×4/9)
=-1/2
(4)原式=-(5/6÷2/3×3/2)
=-(5/6×3/2×3/2)
=-15/8