问题
解答题
选择合适的方法计算.
|
答案
(1)2929÷29×34-1422,
=101×34-1422,
=3434-1422,
=2012;
(2)
÷9 10
÷2 3
,3 5
=
÷(9 10
×2 3
),3 5
=
÷9 10
,2 5
=2
;1 4
(3)(
+1 12
-1 4
)×24,1 3
=
×24+1 12
×24-1 4
×24,1 3
=2+6-8,
=8-8,
=0;
(4)
-(4 5
+4 5
)÷1 4
,11 6
=
-4 5
÷11 20
,11 6
=
-4 5
,3 10
=
.1 2