问题
解答题
|
答案
(1)0.125×(8×0.8),
=0.125×8×0.8,
=1×0.8,
=0.8;
(2)9.43-(2.43+0.39),
=9.43-2.43-0.39,
=7-0.39,
=6.61;
(3)(
-1 2
)÷1 5
÷3 4
,3 5
=
÷3 10
,9 20
=
;2 3
(4)
÷6+6÷1 6
,1 6
=
×1 6
+6×6,1 6
=36
;1 36
(5)
×1 4
+3 7
÷4,4 7
=
×1 4
+3 7
×4 7
,1 4
=
×(1 4
+3 7
),4 7
=
;1 4
(6)20.3×16-4560÷15,
=324.8-304,
=20.8.