来自洪津的问题
计算(绝对值与相反数)(1)|-4.1|-|4.1|;(2)|2/3|-|-1/2|;(3)|-0.31|+|0.2|;(4)|-8|+|-1/4|
计算(绝对值与相反数)
(1)|-4.1|-|4.1|;
(2)|2/3|-|-1/2|;
(3)|-0.31|+|0.2|;
(4)|-8|+|-1/4|
1回答
2020-03-04 11:24
计算(绝对值与相反数)(1)|-4.1|-|4.1|;(2)|2/3|-|-1/2|;(3)|-0.31|+|0.2|;(4)|-8|+|-1/4|
计算(绝对值与相反数)
(1)|-4.1|-|4.1|;
(2)|2/3|-|-1/2|;
(3)|-0.31|+|0.2|;
(4)|-8|+|-1/4|
1)|-4.1|-|4.1|=4.1-4.1=0;
(2)|2/3|-|-1/2|=2/3-1/2=4/6-3/6=1/6;
(3)|-0.31|+|0.2|=0.31+0.2=0.51;
(4)|-8|+|-1/4|=8+1/4=8.25