问题
解答题
(1)计算:-24-(-10)+(-6) (2)计算:|-
|
答案
(1)-24-(-10)+(-6)=-24+10-6=(-24-6)+10=-30+10=-20;
(2)|-
|÷(7 9
-2 3
)-1 5
×(-4)2=1 3
÷7 9
-7 15
×16=1 3
-5 3
=-16 3
.11 3
(1)计算:-24-(-10)+(-6) (2)计算:|-
|
(1)-24-(-10)+(-6)=-24+10-6=(-24-6)+10=-30+10=-20;
(2)|-
|÷(7 9
-2 3
)-1 5
×(-4)2=1 3
÷7 9
-7 15
×16=1 3
-5 3
=-16 3
.11 3